If you could knock down 90% of the spam w/ a fee, I think that's the fee you need to charge. Might have to experiment for a few months to find the pain points.
Discussion
It would be a growing pain for users who are use to zero cost engagements, but I believe it ultimately is a net good because it changes our behavior due to a physical cost tied to our actions. It will pay to be a good actor and hurt to be a bad actor.
You are in a way using Bitcoin to protect and moderate your experience with others. They are doing the same.
Also I believe this is core of what Lowery was talking about. I know he gets a lot of hate, but I believe this is the way forward. Not the right or wrong way. It’s just the way that will happen.
Again, just my thoughts. I could be 100% wrong and off base due to my lack of knowledge.