Or they realize it and they're trying to squeeze the last bit of juice available to them before the party stops. It's not exactly a suboptimal decision to work towards your own job's demise if it's the best paying work available to you and you want to save up as much as possible before any possible disruption. If you quit, someone else steps into the breach and the outcome is all the same. There's very few people actually steering the ship who have any semblance of control; the rest of us are just along for the ride and hoping we don't go down with the ship.