Don't worry, I shan't and I shan't also mistake your unashamed prejudice for fact. Its in fact, simply opinion (to quote your own argument) and not a conclusion of any sort.
Do you also judge people by the colour of their skin or perhaps their religion, its as easy as judging them purley on the basis of the brand of vehicle they happen to be sat in.
Conversely in my travels in and out of London (between 120 to 200 miles a week, for many years) I have had not reached your "conclusion". Idiots are idiots, some drive cars , some drive a BMW car, others ride bikes and some occasionally spout nonsense on internet forums.
Oh dear - couldn't resist a dig at the end. Please, spare us the bravado.
You make several mistakes.
It
is my own conclusion - based on facts that I know to be true and my own experience - that I am far more likely to have a BMW or Audi driving aggressively, dangerously and quickly, than I am certain other brands of car.
I am not judging the person. Don't make out it's a bigoted view, just because you've not understood it.
There is no preconceived judgement of people when I see what car they're in. That's the mistake you have made.
What I am saying is that I believe it's more likely that, when I am confronted by an idiot driving up my backside - for example, it'll be an Audi or a BMW than a Micra or a Corsa.
Similarly, I am not surprised when I see that type of driving and observe that it's a BMW or Audi.
You see the difference? I am not looking at a BMW driver and assuming he's a bad driver. I judge people on their actions.
I've done a bit of profiling for a few major car companies in the past, and I know that they each have a fairly well defined target audience.
It's logical to suggest that there's a certain profile of people that drive in the way I describe, and it's logical to suggest that there's a certain profile of people that are more likely to drive the type of car I describe.
If you don't agree then fine, but don't pretend it's nonsense, because it's not - and you'll only serve to turn this into an argument when it needn't be one.