I had already dropped out when I took it so it was a no brainer for me. If you've already dropped out or decided to I don't even know why you're asking - at worst it's free money.
If you're asking whether or not you should drop out, that's a pretty opinionated thing and depends entirely on your circumstances, but I'd recommend you go for it (fellowship or not). As morgante said, you can always go back to college. 10 years from now sillicon valley might not be so friendly to us tadpoles