Earlier quoted context omitted.
The biggest problem with LVT is surprisingly simple: accurately assessing the value of land is very hard, and ensuring that the assessment process is fair is therefore extremely hard. LVT experiments in history tend to run into problems when people feel that their land has been valued incorrectly, leading to a vocal minority that despises the law. That results in something like this: https://nassimtaleb.org/2016/08/i…
The biggest problem with it as presented in Progress and Poverty (i.e. as a Single Tax to fund the government budget, not some small supplementary levy to fund something like local services) is that the size of the tax bears relatively little relation to the ability of someone to pay it (at least, to pay it without selling their house). Turfing pensioners out of their house because the land it sits on gained in value…
This is a well-known canard. If someone can't pay their tax on a primary residence, you put a lien on the property that becomes enforceable when the ownership changes hands, whether by sale or inheritance. No one gets "thrown out" of their homes.