Cartoon Network, Nickelodeon, and Disney Channel...Why?

I haven't really watched these channels in a long time. But what little I have seen and the shows I have heard about it is not really good, like when I was a little kid. Hannah Montana really sucks, and many other I just don't know the names, because I don't pay attention and I don't care for them, I miss Kim Possible, Rugrats, Ren and Stimpy, Aaahhh Monster, and many other good shows.