They were never intended to be a stream of BTC income.
For faucet collector, No. For faucet owner it is indeed a stream of income, considering the oldest faucet is still alive until now, freebitco.in, I believe the owner do get a constant income from it
Signature campaign will be forever
Every good things come to an end, signature campaign is coming to an end as well considering how many people are pissed off due to the constant spamming throughout the board . It is just a matter of time when will it be coming to an end though
trading is much more lucrative yet (if you are successful at it, of course)
Each time someone "wins" on trading there is someone else who lose in it . Trading could be the answer to a constant weekly income , considering it is actually not hard to be able to gain some profit in trading, it is just a matter of timing for the execution of your buy and / or sell