Have any TLDs attempted to implement a property tax on domains according to value to reduce cyber squatting? To implement a property tax, Glen Weyl and Eric Posner have proposed using self-assessment so that users pay what they want ( https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2818494 and https://www.amazon.com/Radical-Markets-Uprooting-Capitalism-... )
Not to mention if domains were more expensive we'd have more link-rot, which is already really nasty.