I think lesson here may just be that wealth tax, like corporation tax, will be most effective as an OECD-wide tax[1].
1: https://www.oecd.org/en/about/news/press-releases/2024/07/ne...
1: https://www.oecd.org/en/about/news/press-releases/2024/07/ne...
Obvious example, tobacco, alcohol, motor vehicle repair. Non-obvious examples, hotels, vets, dentists, physical therapy. It's a HUGE problem in the US. Lots and lots of companies are huge, owning big parts of their domain, and they're extremely scammy. It's to a point where even big-name brands employ scammy techniques.
There will be folks who want to avoid (or evade) taxation at all costs, but those may end up being a minority of ideologues. I think most will end up being more practical about it[1].