You've got bigger problems than labour relations when "having a pleasant feminine voice" is the success criteria you use to measure the performance of a reporter.
I dunno, this logic sounds exactly like the fucked up logic that went on in the conference room that dreamed up this shitty idea only to have it face reality and be pulled on day one.
You lost the argument right here. Language is as fundamental to culture as the sky is blue.
The rest of your post amounts to "communication is important to function" and you are not wrong on that front. But you put no weight on the importance of culture too.
Consider this your wakeup call, that just because you don't personally care about society having an identity doesn't mean the rest of us don't.