Consequences aren't always immediate or the way you'd personally expect/prefer to see them. The show has shown the consequences of many of their bad decisions…they've even gotten away with some and others have just kept them trapped in more subtle ways.

I feel for Lip and want him to succeed but even he has been prone to bad, rash decisions. In reality, he wouldn't have gotten away with his recent vandalism spree even if done out of anger…that itself would have likely gotten him kicked out of school. Even if the cops didn't catch him, enough people saw him (and his…

Do you have some unresolved personal issues perhaps? It's a show. TV. Entertainment. A lot of things in a lot of shows would or wouldn't have happened in reality. Relax a bit.