Unpopular take: I actually found it pretty good. All characters got their screen time and the main characters all got a resolution that felt satisfying to me. The action scenes were good. I even liked the revelation of what the upside down really is, though I would’ve preferred a slightly different version of that explanation.

Badlands conspiracy theorist!! Have you actually been there, huh?? I think not! The bad lands are a conspiracy to keep us all from wandering out!! Wake up sheeple!!1!

Parents of that kid paying for the 67th tooth: By God, what have we created?

All I see is

Shut up and take my upvote already. And you too, OOP!