Recurring simulator training with impromptu loss of A/P and instrument displays will re enforce the urgency of manual control before the airplane enters an unrecoverable upset
So right. Some years ago, while training an experienced captain from Indonesia converting to the 737-200 simulator from F28, he was given an IMC turn towards an NDB. During the turn a failure of the captains ADI was simulated which he did not pick up. Within less than a minute he managed to get into an inverted position before twigging something was amiss. The F/O was silent and quite useless (low time CPL with only 250 hours) and stared disbelievingly at his own displays but said nothing. Now disorientated the captain then switched his attention to the standby ADI which was showing the correct attitude of 130 degrees bank and 20 degrees nose down. Mumbling something about the standby ADI being faulty he reached over and pulled the caging button of the standby ADI. The rest is best left to the imagination.
Chaos resulted until the instructor froze the simulator to de-brief.