Your description doesn't match with Wikipedias in the slightest. I think you should update it.
https://en.wikipedia.org/wiki/Alt-right
(The description mentions Richard Spencer promoting the term, someone who Sargon has debated against - him and his position).
I know tons of people who mostly just steer clear of identity politics altogether, both left and right. But it's only the alt-right people I know, along with a chunk of the left, who seem to really invest in the whole discussion.