Just... lol.
First off,you know, the anime DOES look horrible. The art isn't that great, but you know why? Anime that has as many episodes as that does, as OLD as dbz is...isn't bound to look like how FMA or something would look.
You look at any other anime brought around the time dragon ball came out and you'll see the styles in coloring might be similar. For its time, db was great. Yes, the story was repeatitive. People don't like Db for the story, lol. They like it for the characters :D I prolly started watching it around when I was 12... it got me into everything I am into now, which is a lot. I am turning 20 soon and I still love it because I am attached to the characters.
however, Akira Toriyama is considered the godfather of shonen. You look at any shonen artists or creators and most of them will tell you he is their idol. Why is that? GASP... Figure it for yourself. As for "Oh his drawings suck they aren't detailed at all" Here you go.
http://img.photobucket.com/albums/v191/mogwai-ninja/001.jpg
Thats from his artbook. If that isn't detailed, why don't you draw me something similar and tell me how easy it is to make it look like that. =P Just because he doesn't draw in the style like crappy death note doesn't make him bad. Its his style, and he makes it work. Or if that isn't proof enough for you of detail, why don't you take a glance at the manga and check out the background, or the muscles, etc?
Akira Toriyama STARTED The shonen craze. Know your roots, fool!