I agree there are lots of scammers on the community.

But were you on the internet in the early 90s? Do you remember the type of jpegs that got shared around on IRC, pretty much making their way to your hard drives whether you wanted to see them or not?

Yet here we are, having a highly civilized debate on the free, powered by a series of magic tubes. This is just the start and decentralization does have tangible advantages.