The plan would replace the $600 million in subsidies Denmark gives the island each year

A quick google tells me Greenland has a population of ~57,000. At $10k per resident, that’s $570 million.

On money alone, his offer is less than what they already receive, and unless he’s pitching for some sort of UBI it’ll be a one-time payment instead of annual. Is this the art of the deal they keep talking about?

They’re a troll. Best to ignore them.