Ours as in the nations assets. And they are the nations assets, part of the $80 trillion dollars worth of assets that are assessed when a nation is given a credit rating. Furthermore, not a single one of those factories was ever built without some form of tax payer involvement. Did the roads leading to them and allowing their supply get built by the factory? How about the sewer lines? etc.
Ahh I see so you deem that there are no private property rights in the USA because the government provides infrastructure to any and all that live and work here.
A capitalist system works because the participants have the freedom to seek profits. Once you start placing restrictions on the system you are on the road to socialism. It is too bad you still live in a Keynesian mindset. His theories were forever repudiated when President Reagan and Maggie Thatcher came to power.
Keynes is dead, Long Live Hayek!