He usually hangs out with a guy named Trader28, they are best buddies. I would do a search on this site and you are sure to find everything you need to know.
But, psychologically, it helps keep the masses in line as anyone can win hundreds of millions. If the possibility didn't exist, many peoples situations would be utterly hopeless.
Nope, mine's been robust for over 12 years, I'm very comfortable with it and the winning percentage is high enough. I have absolutely no need to change anything.
I agree with your points about hft, they are just not unique points. It's not like you are the only one who can see how or has made the point that hft is unfair and, at worst, criminal.