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.

There needs to be processing, manufacturing, and other infrastructure built for the practical large scale implementation of any new technology. That takes time. Bureaucracy can make steps take even longer.

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