And the risk of the move is that the "slackers" aren't the only ones who will quit. The productive work-from-home employees might quit, too. After all, they're

And the risk of the move is that the "slackers" aren't the only ones who will quit. The productive work-from-home employees might quit, too. After all, they're the ones who are most likely to resent the change in policy. If you were slacking you could easily be unhappy about the change, but you're unlikely to feel it is "unfair". The productive employees might even be more likely to quit - especially if they're the ones most confident of their ability to find another job. It could go either way. Time will tell, I suppose.