There is, however, a lot of baseless yet cohesive hatred for Perl
That's just ridiculous. There is mockery and sarcasm, but there is no lot of hatred. The loudest voices I've heard against Perl came from people who used it and weren't happy with it, so it is not baseless. The mainstream just ignores Perl: ignorance isn't hatred. The "hatred" saga is abused by those who feel stuck to Perl - to justify verbal retaliation.
Perl has less attention than it had ten or twenty years ago. It was extremely comfortable to start Perl back then, with all the infrastructure like CPAN nicely in place, and it appears that too many took that for granted. By now, many of those who built that infrastructure have either retired or moved elsewhere. The lesson is that it is up to the current Perl community to keep this infrastructure up and running, be it CPAN, the software running PerlMonks, or organizing conferences, or the community itself.
Blaming the hatred of others for the current situation is quite popular these days, yet I am convinced that it is a recipe for failure.