This is why Libertarianism and Ayn Rand followers are so dumb. Galt’s Gulch only works because its like, a hundred or so people. The entire concept breaks at any level of scale. Not every person can provide a genius world changing idea to cash in on if only that pesky government would stay out of the way.
I mean, the Nordic Countries are kind of an example of how you can make an economy work that that isn’t purely “endless growth capitalism” and isn’t “everyone is poor and miserable Communism.”
There can be things in between.