Spiderman and Batman are literally famous for not killing their enemies, so I think your first sentence is way more than a maybe.

The brain drain from the carcass of America, is what I think the commenter means. IE, smarter people leaving the country due to current policies.

As opposed to what’s currently happening?

“Flarking” is a Marvel space curse-word. I think in media I hear Rocket and Captain Marvel say it the most.