I don't think that, in the context of moving to a libertarian-as-pitched-in-the-USA state, "didn't even decrease average welfare" would hold true.
A massive amount of publicly funded services would be cut. So if we take as a given the ability of these elites to capture the cost savings of that for themselves, you end up with the average worker receiving no more money (since it's been captured) yet receiving fewer services (since the public ones were cut).
All the leverage[0] is in the hands of the owners, not the workers.
[0] excluding leverage such as "there are more of us so we can outvote you" and "there are more of us so we could revolt" - the first is presumed to have not happened, for whatever reason, by the assumption of the existence of this libertarian state, and the second would be a violation of the property rights that USA-libertarians hold so central.
A massive amount of publicly funded services would be cut. So if we take as a given the ability of these elites to capture the cost savings of that for themselves, you end up with the average worker receiving no more money (since it's been captured) yet receiving fewer services (since the public ones were cut).
All the leverage[0] is in the hands of the owners, not the workers.
[0] excluding leverage such as "there are more of us so we can outvote you" and "there are more of us so we could revolt" - the first is presumed to have not happened, for whatever reason, by the assumption of the existence of this libertarian state, and the second would be a violation of the property rights that USA-libertarians hold so central.