If the economy can't survive the loss of these abusers, it deserves to be destroyed. If we do something, we gotta go all the way. Half-measures do nothing.
It turns out that people actually prefer getting products for free with ads to paying for products. As bad as google and facebook are, they are providing what people want at the exact price point they want.
You do realize what the destruction of the economy would entail? That it would mean that many people would lose their livelihood and suffer?