And 10% of those homeless will literally shit in the houses and destroy them. But many more of them could thrive given sufficient help.
You have to be prepared for the first while doing what can be done for the second. It’s a difficult problem, but it gets a lot easier if your goal is to cut it down by half or more instead of eliminating it completely.
Most of the homeless will cooperate with you. They want out too. It’s good for everyone to get those people out. It’s going to take time, and money, and effort.