I think [...] should allow [...] signature (campaign) only for xx ranking
I think this would only drive up the price of these ranking accounts, and drive down the price of accounts. I don't think this would do very much in terms of reducing signature spam, nor would it do very much to address the issue of low quality posts.
You can't know that.
Sure I can. All I have to do is use logic and use my understanding of economic incentives.
I'd rather we try-out some solutions that seem good enough, than infinitely discuss how to tackle this problem.
This is what was said about Obama-care, and look where that got us
