I guess for the same reason home owners associations exist. Personal choices that are visible in the communal space can affect property values and people's enjoyment of the area.
For many living next to a constant stream of strangers is undesirable.
For many living next to a constant stream of strangers is undesirable.
Typically we consider those desires morally invalid and not something to be supported. Why is "short term" a morally valid way to characterize the "wrong type of people"?