You could say that about literally any shady business. Imagine seeing a PDF proving tobacco leaders knew for decades that it caused cancer and saying what you did.
Being monetarily successful does not mean you’re good or shouldn’t be criticised.
Are Marvel films shady for being popular? Is HN shady for adding features which increase engagement?
I mean personally I mostly enjoyed Marvel until they started multiverse crap. And they made way too many TV shows that were all terrible. So I stopped watching.
Seems pretty low on the sketch scale to me.
In short, they've milked every bit of nostalgia you may have for their characters, I mean their properties, as long as humanly possible and then some.
I don't even have any nostalgia for these characters. They were a really fringe phenomenon in my country. But do you think that means we don't get the 20+ Marvel movies shoved down our throats? Oooh, no. We'll eat what we're served, or not go to the movies at all (that's the option I choose). If you wanted to make a parody of hamfisted, audience-contemptous cultural imperialism, you couldn't do better than Marvelwood.