The club continues to find itself in chaos, and to compound matters further, former United centre-back Jones, who clocked up more than 200 appearances for the Red Devils, suspects that, like at most clubs, several members of Amorim's squad harbour negative feelings towards their boss.
"Do I think there were players at United who didn't like him? To be honest, that's probably a ridiculous question because I'd say there are people in the United team now who don't like the manager," Jones began, speaking to Ladbrokes at the launch of Ladisfaction.
"But there are probably players at Man City who feel the same way about [Pep] Guardiola; they can't stand him. There's people like that in every team. These are big groups of players and different personalities, and all of them are competitive, and think they should be playing more than they are.
"That will never, ever change. Even when a manager is flying, there will always be someone going, 'Well, he's not playing me, so he's not good.' Trust me, I've been there myself. I've been a young kid moaning about training being rubbish. But in reality, it's not rubbish; you're just hurt and you don't know how to deal with it.
"You have to realise what's going on, pull yourself out of your a*** and get back to where you need to get back to. Nine times out of 10, that's what the problem is. That comes with experience, though. The more mature I got, the more games I played and the more managers I had, the more of an understanding I had about it all.
"You know, it wasn't the manager who was the problem, it was me. When I think of some players now, more often than not, they find it very easy to just pass the blame onto the manager.
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"The manager wasn't great, the coaches who took the training session weren't great. But, really? Was that the case? Were they not great, or were you not great? Which one was it?"
Amorim and United are set for a challenging period following the international break, beginning with a daunting trip to the Etihad Stadium to face local rivals Manchester City. The Red Devils will then host Chelsea at Old Trafford in what represents two pivotal matches for Amorim's tenure.