Sure, but when people propose a land value tax it's because morally, they've come to the conclusion that the current system is unjust. Systemic changes need to originate somewhere, right?
Yes, but that does not need to be morals, values, ethics or ideology.
Instead I prefer Kant´s idea of the categorical imperative whereby the question only is if a society following specific rules would satisfy its members long term. It is more pragmatic as it shifts the question from should/shouldn't to does it work out.
https://www.astralcodexten.com/p/does-georgism-work-is-land-...
you want a dictatorship? that's how you get a dictatorship.