In comparison to BTC, which is some real random numbers. So everyone can wank on sofa while mining "money". That would contribute so much to our society.... 

You do understand that mining is unprofitable right now, don't you?
Still you can mine any other altcoin, and profit by speculation. You know, there are new altcoin everyday, if you hit the right one (like Aurora ,Maza ,Unobtanium etc in the past) you can make pretty high profit.