I think sanity or Insanity is linked to being mentally abnormal, not normal, while this disappointing behavior and state of mind is pretty normal.

I don’t consider racism abnormal since it’s so common, or a mental illness; racism is a frightened, prejudiced reaction to differences.

Offensive and unwelcome, but very common in a normal state of mind.

I guess you could say the rant was insane, because he doesn’t seem to understand the consequences of being so openly racist.

But it isn’t like you have to be in a mental institution to hear a racist rant.