Anything which doesn't hurt democracy is better than capitalism - and there are plenty of alternatives.
Capitalism is good for expansion. Unfortunately, our planet is NOT unlimited.
Capitalism is anti-democratic. On paper, in theory, capitalism is about fairness.
Well, that's in theory.
In practice, the more money you have, the more you can suppress other smaller companies.
How comes that the richest persons, on average, are those producing NOTHING?! You've guessed it, I'm talking about the banks.
In order to understand the entire issue from the ground up, you have to watch the following documentaries in order:
http://www.youtube.com/
http://www.youtube.com/
http://www.youtube.com/
Yeah, it's a few hours of intensive thinking. But hey, you wanted to know it!