The depot assignments for the MTA rejects are most likely gonna be between Spring Creek, Charleston and Yukon depots(I can be wrong on these assignments).
At this point from how I see it, the n72 is pretty much permanently discontinued, I likely doubt that bus service from Hempstead to Babylon would be restored.
None of the routes are being moved out of Kingsbridge depot, the only thing that’s moving out is a couple of buses to Gun Hill and Manhattanville, all Kingsbridge, bus operations will remain the same.
Given the fact that it has a College Point sticker, it looks like 4278 will be at College Point for a good while, we don’t exactly know when 4278 will return to LaGuardia.