What matters is that Linus isn't attacking someone for WHO THEY ARE (identity). He is attacking them for WHAT THEY DID (actions). I think this is the gold stand

What matters is that Linus isn't attacking someone for WHO THEY ARE (identity). He is attacking them for WHAT THEY DID (actions). I think this is the gold standard for whether behavior is abusive. Other than that, This concept of "professional standards" of behavior is completely parochial. Try going to a constuction site. Or bootcamp. Or working on a pig farm. Standards of behavior vary dramatically between organizations, industries, and cultures.