Earlier quoted context omitted.
Personally, I did not read that as inciting violence or discrimination against my whitebread self. So I don't think it's hate speech. I think, as Wikipedia says [1], "The term applies to a group believed to control disproportionate social, political, and financial power in the United States. It describes a group whose family wealth, education, status, and elite connections allow them a degree of privilege held by few…
However, many other traditions are much more restrictive regarding personal names[1]. Some countries require the names to be gender specific. So blaming protestants from the British isles (and their American relations) is quite misplaced and inaccurate. [1] https://en.m.wikipedia.org/wiki/Naming_law
What is being said is that our particular notion of names comes out of that WASP tradition. (Which, if you'll take 30 seconds to read Wikipedia, has important class and wealth connotations.) And therefore it doesn't apply perfectly to an extremely diverse society of immigrants, one with a long history of cultural, religious, and social experimentation.
It's an accident of history that a dominant strain in our culture is "protestants from the British isles". But it's still a pretty important accident. It leaves a mark. We still call that part of the country "New England", for example.