Because HOAs are not bad if ran correctly.

The problem is when someone’s freedom infringes on another’s.

Can a neighbor resurrect a 15ft tall obscene statue in their yard?

Land of the free says yes. But every neighbor is going to hate it.

With an HOA you don’t have to worry about it because the HOA will not allow it. You are protected from your neighbor’s choices that could make your property less appealing.