[guard-of-terra]

They are very close age; Both had jewish parents; Which were part of soviet intellectual elite/science. I can guess that the environment in which they both were raised is nearly the same.

Perelman's disenchantment is caused by his mathematical institute stupid old professors who didn't care about math as a science (i.e. way to figure out new things), only focused on art of reiterating same things over and over again. Which led him to think that the official math scientific community is dead. He said it in interviews.

It does not seem to have anything with "people like Milner".