When you first lose everything, in the process you end up having to pawn expensive principles like that, so when other things like this happen, it's easy to seize the opportunity.
I wouldn't go back, regardless of salary offer, unless I didn't have any other jobs lined up. If I'm not employed than any job (even a bad one) beats being unemployed. But if I was employed, I wouldn't go back to a job where they laid me off for stupid reasons, no matter how much money they offered.