If you're advocating for a model where things only get done if enough people care to fund it directly, then welcome to libertarian chaos and collapse.
If you're advocating for a model where governments can issue bonds, or raise private capital, for specific projects, then that can and does happen in various countries. The results are often poor due to the fact that private corporations are somehow not the powerhouses of efficiency and innovation that people claim.
'Vinyl is the poor man's art collection'.
30-50% of those arrested at anti immigration protests in the UK have convictions for domestic abuse.