I don't feel threatened by bullshit bomb threats either but apparently it's enough for cloudflare to deplatform some site. So why do they say nothing in other cases?

The same world where a similar, much more benign comment, aimed at women would very likely get you fired, ruined and turned into a social pariah that isn't allowed to be touched by a ten-foot pole. And if a company dared employ you, they'd be pressured into firing you.