That might be a hard sell to their shareholders, spending a lot while gaining nothing, maybe even harming existing products. Besides, if they foot the bill for

That might be a hard sell to their shareholders, spending a lot while gaining nothing, maybe even harming existing products. Besides, if they foot the bill for finding out how such a micropayment system that actually works would look like, I guess it might still be a net win for everyone, because that would drastically lower the bar of entrance for competitors. Figuring that out would probably require very expensive iterations.