Why are mobile accomodations discouraged ?

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On the surface, it is hard for authorities to monitor the mobile citizens, for whatever the authority intentions are. The most direct implication seems that criminals would be more free, threatening the security of normal people.

But deep down, are Banks, and under them: Vanguard and Central Banks push people away from cheap accommodations, so that they can keep forcing people to work until death to pay for the increasing mortgage amounts ?

By the laws the are lobbies big central banks, long term or short term residents need to stay in concrete's, with addresses, so that banks can lend money ?

And banks love to force people to fight to be able to live in fixed addresses