The alt-right is a loosely connected and somewhat ill-defined - (summery).

The Associated Press advises its journalists to not use the term without providing an internal definition, due to its vagueness. They described the "alt-right" label as "currently embraced by some white supremacists and white nationalists" that "may exist primarily as a public-relations device to make its supporters' actual beliefs less clear and more acceptable to a broader audience". - Etymology and scope

Both funkythings and namdnay comment above assert statements to what alt-right is and who belongs to it that the wikipedia article do not. Labeling anti-"political correctness" as alt-right is not supported. Journalist Mike Wendling says that alt-right share the view of anti-"political correctness" with chan culture, but that is as far as the wikipedia article is willing to go.

It literally says in the article they are identitarians. Therefore my statement about identity politics is correct