It is not narrowly scoped, it states that we need to stop another "wave" of "social justice piggishness" which would include challenging the gender identity framework the author is using among other things. It also makes broad claims about social justice politics writ large.
Having read it carefully I found the hn thread interesting and it correctly criticized the essay's lazy reasoning.
Having read it carefully I found the hn thread interesting and it correctly criticized the essay's lazy reasoning.