What is the fallacy committed in the following examples? 1. You know Justin Bieb

What is the fallacy committed in the following examples?
1. You know Justin Bieber is a crumby musician. Just read all the stories about him.
2. I didn’t vote for him because he’s a dufus.
3. America: Love it or leave it.
4. You think I’m fat! At least I don’t need to be weighed on a loading dock scale.
5. John isn’t guilty of stealing the firm’s money. People like John don’t do things like that.
6. Everyone who is against capital punishment sees it as cruel and unusual punishment.