Some people are past their usefulness or never have been so. Some people actively go out of their way to be vile, unproductive individuals who do nothing but take, reproduce and fight with anyone around them. Unpopular opinion, but we euthanise animals for less.
Folk who do nothing with thier life are a waste. Teach, create, help, grow or work. Do something, doesn’t have to be earth shatteringly profound, just contribute in some small way.
If can’t find. You need to be cared for. If you won’t you need to be taken out back and shot, because you’re taking away from those who do and those who need help.
Sponges.