Earlier quoted context omitted.
"Land" for George is just things you can rent-seek on and are fixed in supply, that includes stuff like intellectual property, etc. > real estate/rents/leasing is perhaps 15% but most of that is related to the value of buildings, not the value of land. Not at all clear that most of that is related to the value of the building and also you conveniently neglect to mention that that is the largest share of GDP out of an…
How do you determine the value of intellectual property if not by looking at how much income is actually being derived from said IP? And at that point, don't you just have the same income-based corporate taxation that we already have, with extra steps?
I agree that determining the value of IP is difficult. Georgists would probably advocate that there is no reason for IP to be in private hands in the first place, nor any need for a system of IP.
Alternatively, you could give temporary ownership of the IP to the creator (like we already do, except without the absurd lengths of time), then when that expires, put it up for auction to determine the pricing, then tax based on that.