He didn’t attack the whole chareidi community just those that criticize him.
That’s not really true. His line, “when serious issues that are plaguing the Chareidi community come to the forefront…” is clearly implying that these issues don’t plague other communities, and I think we all can guess which types of issues he’s referring to.
the difference between one whho kills for pleasure and one who does it in self-defense.
His point was that the the “assault on Modern Orthodoxy” is to no realistic purpose and without allegiance to our sources (which he’s probably right about). If his attack is a reaction to being hurt, that sounds like nekamah, which is also to no realistic purpose and without allegiance to our sources.
It seems that the answer to the question posed in this discussion’s title, “Who Should be Giving Tochecho to Whom?” should have been answered, “neither”, rather than with a scathing rebuttal.