This isn't true. Land Value Tax is more regressive than wealth tax. There is a large contingent of Georgists who call themselves geolibertarians who basically support land value tax as the only tax that has a moral basis. They are fine with the inequality that comes from such a class (Middle class people often have 400% of their net worth in land/real estate at certain points in their lives, but high wealth people have portfolio's that are roughly 13% real estate). If you're taxing one person on 400% of their net worth and one person on 13% of their net worth that functions very differently to a wealth tax.