No, faucets wont disappears in 2015. Faucets are used as a way to test Bitcoin for newcommers, because of such low payouts faucets cannot be abused from someone to get easy income from. It is just enought to get familiar with Bitcoin
People abuse faucets all the time by using multiple bots on multiple connections on multiple sites trying to milk them for all they're worth.
or even better joining a signature campaign here
Given the recent controversy about signature campaign spam, I don't think joining one is even better at all.
Well I guess that depends on the quality of their posts. Obviously it's bad if they spam crap but if they do they'll get banned pretty quickly so it's in a users best interests to make quality posts. Either way using a faucet or spamming crap you're still wasting your time.