Or join an existing one.
It’s a mix of the lifestyle not being exactly what people thought plus them getting culty. In many cases it’s more the latter than the former.
a) these communities often depend on consensus decision making. Problems that require collective action get nearly impossible when the society gets too big
b) People underestimate how much they depend on greater society in a modern context
c) It’s normal for future generations to have evolving values. The original idealistic notions tend to lose their luster to those who were born into it
There are others more unique to communes, but I highlighted those because they also make it hard for the inverse libertarian ideal to work as well. Meaning it has to do as much with human nature as any ideology.
A commune, however, can be.
Then talk to your local NIMBY. Housing crisis is not due to capitalism being evil, but due to constraining people from building. Healthcare is getting better all the time, we had MASSIVE breakthroughs this year at ASCO (which were made possible by big pharma!). As for education yeah, it could be better but it's completely tangential to the topic.
The society you desire can’t exist unfortunately as much as I’ve thought it could and worked for it
Society has always (yes always) “bent” toward dominating hierarchies because individuals want the stability of being part of the dominating group.