You make a good point. In reality just being hyper-vigillent to upcoming dangers will "buy you more time" than being on a 1000cc bike. The best favor you can do for yourself is to keep enough gap between you and the cars so that you can react quickly to any unanticipated behavior from the cars.
Let us also consider that when stopped at a red light and if some car went "out of control" and came at you that a lightweight bike is easier to handle at a full stop and to roll it around compared to a 500lb++ bike
Let us consider that a lightweight bike is more nimble and agile and can change directions faster or swerve away from danger. I see the guys on a fat Harley that weight over 700 lbs and they look like a clown in the parking lot and when doing low speed maneuvers they waddle around like a duck with that 700lb behemoth.
Buy a faster bike if you want more speed but let us not delude ourselves that it is for reasons of safety
. Because if we are talking about safety we can assume that a guy on a SuperSport is going to naturally ride faster and take more risks than a guy on a 250cc CBR and that naturally is going to put the rider in more dangerous situations overall and more frequently.
And also in my personal opinion a rider should MASTER the 250 or 300cc bike first. And when I say Master it I mean COMPLETELY........ that you can carve up the twisties and make tight U-turns effortlessly and make perfect turns leaned over so far that you are scrapping the toe of your boot. I think very few people reach that level of mastery before they "think they are ready to graduate to a 600".
If a chap keeps selling their bike in less than 2 years how will they ever reach such a level of mastery? The answer is that they will not. And when the fateful day arrives that you are "put to the test" in a crazy situation you will either have the Mastery of skills to escape the crash or you will pay the Ultimate Price. That is the true danger of riding a bike like a 600 that you do not possess the proper skills to navigate a crash situation and escape from it. This is why I do not advocate for beginners to EVER start on a 600 or above as a learning bike.
In my opinion one should move up from a 250 only when they have mastered it, the same way you move up different color belts in Karate
plenty of good advice here, but doesnt hurt to repeat
a basic reality in any,, road space dispute;
you simply cannot trust them..
a lovely child or inexperienced mother
or anyone with a loaded gun, for eg,
represents a real risk, despite and aside from
whoever and whatever they may be
as a citizen or as a person..
no doubt, a more powerful motorcycle can,
accelerate more quickly, including in overtakes..
however, consider yourself at the lights
next to a more powerful motorcycle,
you intent on getting a good take off
while she contemplates some distraction
or other, as the lights change..
then, in those microseconds, your response
will be faster than her reactions and redirect
of attention back to taking off..
too late, you have gone..
within a road space your attention
and response time are vital..
if he's already started turning
into your space esp at speed,
its too late if you havnt already
taken off in response...
riders on powerful bikes get taken out
in these situations.. riders on less powerful
bikes can also avoid impact, depending on
their state of readiness to respond..
while this does improve with experience
becoming more of a reflex response,
even the skilled reflex response must begin
with intent, as mind must be on the task
at hand to create that reflex response..
thus then on multi-lane roads you must
ride with a basic assumption, such as
that they dont know youre there,,
or that they are incompetent, half blind,
dont look, dont care, or intend to get you..
this is not unrealistic as when passing many
cars, trucks, vans etc, there will be,,
those who dont see you, are incompetent,
are driving distracted, and even the few
percent likely to play a power game
with their heavy vehicle..
placement in the lane or lanes,
incl relative to their blind spots etc
is important.. your approach is also
relevant.. doesnt hurt or take time
to come up within their mirror view
and if overtaking, make a noise
and move in and out of their view
as part of your preparation for
the potential overtake..
i used to ride a 750/4 with open 4 into 1
exhaust, entering t heir mirror view zone,
watching for eye contact while blipping
or if no eye contact a touch of the horn..
no need to blast it, just get their attention
away from the video game or texting
some of them are doing driving..
thing is that cb750 had plenty of power
which was great for completing the overtake
but not to be relied upon for evasion
at that last microsecond before,
beginning the move or response..
distracted driving is now a greater
cause of smashes than alcohol
people are and do text messages,
check their emails and social media etc,
and do eat, drink, or otherwise be
distracted while driving..
just because you can see them,
does not mean,, their attention
is on you or on driving..
or for that matter pedestrians
walking out in front of you..
riding a motorcycle is different
in many ways to driving a car..
one being the necessity for
us to take responsibility
for interactions with cars..
this isnt down to fairness or whatever..
its a simple fact of the matter..
develop this attitude..
make it a 'background' part of
any riding within or near cars
or traffic or even pedestrians..
then your brain will learn to
include it as part of your suite
of natural riding reflex responses..