You seem to keep spreading this baseless rumor. "Occupation"/"Okupas" is considering properties beyond your primary residential property. I'm sure there are cases where okupas tried to take people's primary residential property, but the police absolutely help you to get rid of them quickly.

I personally know a handful of cases where okupas tried to take people's primary residence that they just purchased and were in the process of reforming before moving, for example. And every single case was solved quickly by local police, as it's breaking and entering, not a occupation.