Well, but I think that was the marketing working as intended. It's not reasonable to expect people to become PhDs in media analysis to figure out the movies are bullshit when they're just trying to live their life, and they're being subjected to weapons-grade propaganda at an industrial scale that's trying to trick them into thinking it's a good movie.
I posted a video recently, with a pretty good analogy about how the best media like the best food is both good for you and fun to consume, but the thing is you have to not be a horrifying corporate husk in order to produce stuff like that, so it's all gone from our current ecosystem, so can you really blame people for hoping that maybe "Infinity War" is it? They are wired to need it, that's not a wrong thing.
A lot of people weren't fine with that. Pretty much the same people who are alarmed and horrified by the current developments were alarmed and horrified about Guantanamo, the Patriot Act, the war, and all the rest of it. The issue is just that we haven't really done anything about it.