Drawing the line between reality and fiction?

I see a ton of comments in stories complaining about how fucked up or smth the stories are even if there are warnings in the beginning together with the tags. But then the people who commented still keep reading the stories.

Sometimes, they would come after the others with different opinions as theirs and keep pushing their own opinions to others. Just being a complete snowflake.

And I think these snowflakes sometimes forget to draw the line between reality and fiction. I mean those stories are mostly made for entertainment and aren't meant to be taken seriously. If it made you learn something meaningful then good, if it made you romanticize/objectify something/somebody that isn't meant to then that would be a problem and I recommend you to seek help or if it made you uncomfortable then kindly drop it immediately and go on with your day.

Also if we're talking about representation for certain groups of people in fiction, we can't always think and expect that every story with them would have a good representation of them.