sometimes they encourage homeless people to borrow properties until they are legally evicted.
Homeless people often just simply occupy abandoned buildings. This is called squatting. And if they use the property in a proper way, then I do not see any problem with this. But some homeless people damage or destroy abandoned buildings. I heard that some of them even literally (probably not intentionally) burned down houses.
I very much agree with you dear friend @xplosive if the use is correct it is very good; what happens here is that they damage the materials and take over as if they belonged to the place
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Enjoy a beautiful afternoon