[julik]

True. I would say, however, that every "concept" of airliner flight deck has its own gimmicks that can kill. The Airbus "dual input" is such a gimmick. Even though there was, for example, an AF accident with a 777 where there was hardware linkage between yokes and the two pilots were fighting... each other. Physically.

[foldr]

The official report doesn't identify the lack of sidestick linkage as a factor in the accident. Neither of the two pilots who were at the controls had any idea what was happening. Both pulled back on their sticks repeatedly right up to the moment of impact. The captain, who eventually realized (too late) that the plane was stalled, was standing behind them, and so would not have benefited from linked sticks.

There's a detailed breakdown here: https://admiralcloudberg.medium.com/the-long-way-down-the-cr...

[p_l]

There was more than one case where pilots would accidentally fight and break the linkage, or one would overpower the other.

One glider instructor talked about taking a stick with him in case of panicking student, so they could hit them hard enough so they would stop holding the controls.