Some years ago I'm in the L1011 sim with the chief pilot, and his idea is to firewall the throttles of the remaining operating engines in the event of the one engine out scenario.
I try to explain that this is not only not a good idea, but downright dangereous.
He says...show me.
Whereupon we 'depart' at quite a low weight with a max derate thrust.
Number three fails just at rotation.
CP applies firewall thrust...and the machine promptly rolls over on its back....or rather is freezes just before doing so.
CP now has eyes as big as dinner plates, and says....'I never thought....'
Yep, he never did.