Nelly,
I may be wrong, but if I recall correctly I think that you will find that the sitting tenants were non-JW's who had a legal right to stay given their long tenure.
Cheers - HS
I can confirm that. About 8 years ago, my wife and I went to Brooklyn and Patterson Bethel for a weekend tour. We got to stay at the Bossert overnight (we had "connections"). Our "tour guide" mentioned these tenants and that they had the legal right to stay there. The subject came up because while we were being shown the lobby and hearing about the history of the building and its new renovation, an older man entered the lobby, was greeted by the attendant, and proceeded to the elevator. Judging by his appearance (unshaved, sloppy attire, etc.), he wasn't a Bethelite.