We should say no to scams but not at the expense of real projects or programs in the cryptocurrency sphere.
It's impossible to achieve something like that. If you look at all measures that were forced through thus far, it's safe to say that they will always affect legit minded projects and services. In other words, to combat something (illegal activity in this case) that doesn't even account for 1% of this market, we let the other 99% feel the negative consequences of that. It's unfair by nature, but that's how everything in life goes, so it doesn't only apply to crypto. That's why I somewhat like the currently conservative approach of Twitter in regards to scams and whatnot. I however believe that if they notice it isn't really doing much to combat scam, they will revert to measures similar to what Facebook did, which is a complete ad ban of anything related to crypto.