How do you deprive an oligarch of their ill gotten wealth without violence?
No work? No money. No rent payment? Eviction (with violence). Stealing food? Arrest and imprisonment (with violence). It's violence all the way down. It always was. It's just a question of how it's organized and rhetorically justified.
Tax is another.
The problem is getting into a position where you could pass those laws without violence. I'm not sure it is possible to do it democratically in such a corrupted political system. 3rd parties are essentially impossible and oligarchs have a lock on the other 2.
Not saying I support this kind of action, but I don't think this is a good argument against it.
As dumb as it sounds I genuinely think it's a concerted effort to change people's minds - specifically those people who want to become capital class or otherwise are on the way to the capital class.
If we can 1. Prevent new billionaires from being created and 2. then create structures to allow the capital class to feel like they are important to the process of reducing their own power and democratizing the economy, there might be a chance.