It’s the objective case, i.e. everything that isn’t nominative, so this usage would be correct. We don’t have a real distinction between accusative and dative in modern english.
That being said, I’m a descriptivist who is strongly of the opinion that ‘who’ is always correct and ‘whom’ is archaic.
Incorrect use of whom. Who kills who (accusative case). Who gets killed by whom (dative case).
It’s the objective case, i.e. everything that isn’t nominative, so this usage would be correct. We don’t have a real distinction between accusative and dative in modern english.
That being said, I’m a descriptivist who is strongly of the opinion that ‘who’ is always correct and ‘whom’ is archaic.