[cryptonector]

> because over here it feels like an exotic word that people only pull out to be semi-fancy, like "whom".

Them's fightin' words. 'Whom' is super useful because it is grammatically necessary.

[BobaFloutist]

Give me a sentence where it necessarily eliminates ambiguity and I will thoughtlessly replace it with something more colloquial and similarly unambiguous. It's possible you'll find an example I can't trivially fix, but I think they're rare enough to be more or less irrelevant.