regarding the little rock crash...if the captain had armed correctly...ok
if the copilot had caught the mistake...ok
BUT BOTH SHOULD HAVE VERIFIED DEPLOYMENT on touchdown and activated them manually...it is nice sound hearing the spoiler handle move...and without it the landing is WRONG.
the copilot should have been further briefed that just cuz he is flying with a chief pilot, he isn't relieved from alerting the captain to errors.
HOW TO PREVENT this jamaica crash again...anywhere:
abolish downwind/tailwind landings
grooved runways at all jet airports
touchdown zone lighting ,vasi and all known approach aids
EMAS over runs at all jet airports
retrain all pilots that they will lose their job (with exceptions) for not going around if landing won't happen in the touchdown zone.