I think it was a little bit too easy to pretend that microscopic little thingies potentially killing people don't really exist or something.It's funny to think of Alan Moore of being an optimist wearing rose-colored glasses, but the pandemic 100% buried the plausibility of the ending of Watchmen.
It is a bit harder to deny octopus raining down all the time. And wasn't there also something about inducing nightmares or something?
That said, there is still plenty of room to create conspiracy myths around it. Not sure they'd be close to the truth (or at least the popular ones would be).
I guess the big problem is that humans can adjust to "new normals". Okay, you have nightmare fish and sometimes they fall from the sky. "But do I really trust that the US government knows better than the Russian government how to deal with that problem?" "We could really use that oil to build better defenses against alien invaders... Maybe we should sacrifice Russia for the rest of humanity?" "Hey, would they even care about us if we created some nuclear fallout?"