Earlier quoted context omitted.
So the proposal is that people should never be able to use the land they own for their own purposes without the threat of being dispossessed because strangers are willing to pay more for it, even if they don't want to sell? That sounds like a horrible situation, and it seems clear why real-world tax systems don't take this approach to its ultimate conclusion. There's also something very objectionable about attempting…
At the risk of feeding a troll... no, that is not the proposal. The proposal is to make it economically unviable to do socially suboptimal things with common resources. The underlying principle is that land - including natural resources as a whole - is finite. It's a common good owned by humanity as a whole; or, failing that, at least in common by the nation-state in which it falls. Allowing individuals to hoard thos…
There's a real risk in attempting to define exactly what "socially suboptimal" uses for land are. Everyone will have a different opinion on how they want land to be used.
Worse still, your definition means that any unused land is socially suboptimal and should be disincentivized through taxes. Given that land is finite, how do we guard against eventually using as much land as possible? And where do we get all the resources to develop and maintain the land as well as all the consumables used by everyone living there.