We already did agree that the government needs to fix the situation. As a result we have the foster care system which will provides homeless children with housing and care. As far as I'm aware, no remotely mainstream politicians advocate ending this system.

I get that you want to bait people into a debate about socialism. But if you want to argue for a change in policy, you need to do more than just criticize your ideological opponents (who don't disagree with you on this matter); you need to actually delve into technical details.