No, nobody is forcing anyone to read anything - however, without those warnings you don't have the option of steering away from depressing fics either.

As far as makeing the world safe, so sue me I belive in takeing care of each other and showing basic human consideratin to my fellow man.

Bad plots, and rotten grammer are something that you can pick up on within the first paragraph. It's not like it's something that you're not going to see coming beyond the first two minutes (give or take). Unlike a sucker punch ending, which takes you by surprise.