Why do you think people go to drugs, most of the time it's because their life was already bad and the drugs just made it worse. Yes, there is a percentage of people that are lazy but it is only a small margin of homeless people. There is enough well researched material on youtube about these topics on youtube. If the system doesn't help homeless people at all it will not get better even for the people that aren't lazy and their life just didn't go the right way or they were exploited at their workplace to a point that they couldn't afford living anymore.

Just because the concept of capitalism says it is possible to "work" your way to the top doesnt mean it is happening, almost every single rich person got their wealth by some means of exploitation of other people