Dude, it's very simple. Homelessness is caused by poverty.

I don't know about your country, but here in the UK, over half of homeless people are adults who were previously in the care system. I told you this and you clearly didn't listen: if you're in the care system, when you hit 18 your family placement evaporates and if you don't already earn enough to pay private sector rent, you're homeless. I don't know about you, but I wasn't financially independent of my parents until I was in the second half of my twenties and it's much harder now than it was when I was starting out. Good luck getting a job and claiming benefits if you don't have an address.

Say after me: if you don't have parents or family to stay with, and you can't make rent, you're stuffed. It pisses me off when people treat homelessness as a character defect rather than a complete failure of society to care for those who can't cope. Fuck right off with your judgementalism.

It's all very well you sitting on your comfy sofa declaring that they have brought it on themselves and and that if they only cut down on the narcotics they'd have enough for a nice little apartment somewhere, but your cosy little plan isn't going anywhere on the hard pavement at 2am when some lads piss on the homeless guy's sleeping bag because, like you, they think is his fault, because you have no fucking clue and your holier than thou moralising about how you'd definitely stay squeaky clean if you ended up on the street being kicked night after night and treated as non existent day after day is BULLSHIT.