Yeah no, Lovecraft was racist even for his day. The author China Mieville makes this point in detail in his introduction to the Modern Library edition of At the Mountains of Madness. He was drawing from many of the same wells as the Nazis were, including Oswald Spengler's The Decline of the West which gave a justification to many of Lovecraft's xenophobic ideas, and which was also popular among racists the world over.

I think that's a bit harsh.
It's true that the art imitated his manifest feelings on reality and fear of multiculturalism
>screams and panics in a group that include Irish or Italians
the man was living in hell