Show me one guy or woman as funny as Rodney Dangerfield or as good as George Carlin, Richard Pryor, Bill Cosby, or Joan Rivers. There are a lot of good comics out there, no doubt, but as far as the quality of the comics goes, I think what you have is a bunch of situational comics.
Jokes rot. They're not like songs. I always envy singers - Sting is always going to sing 'Roxanne'. But people want to hear new jokes. I've written jokes as good as 'Roxanne', I believe. But I can't tell them again.
When I started out in comedy, it was common knowledge that it took about 10 years to get good. And that was okay because it took you about 9 years to get on television.
There's some downsides to being famous, which are not even worth mentioning. But to combat the bad sides of being famous, you really should take advantage of the good sides. The good sides are, you can use that fame to get projects you might not normally get.