It's not a strongarm attempt, it's not coercion, and I'm genuinely not sure why you're describing it as mob mentality.
It's pointing out that doing this hurts trans actors. One hopes that if someone is voicing a trans character, they also want to support actual trans people in some fashion. It's up to the VA and her own morals and her own situation as to what she does with that information and the suggestion that she step aside and support trans VAs in trans roles.
Maybe she steps down and asks the studio to hire a trans VA.
Maybe she doesn't, but pushes for trans VAs to be invited for future roles with other characters.
Maybe she hears the problems, but isn't in a financially secure position and needs to line other work up first.
Maybe she feels she isn't in a good place to take action now, or even disagrees that it should be on her to do so, but keeps this in mind for other roles she goes for in the future.
Maybe she decides that professionally, she'll incur too much risk if she speaks up.
Maybe she disagrees and yells back.
Maybe she disagrees and ignores it.
Maybe she doesn't even hear about it.
My point is, she gets to decide what, if any, action she takes on it. And people who are members of the communities represented by the character get to decide how they feel about what she does and says.
If by "go after the employers" you mean criticize the employer's behavior and tell them that they should do better, sure.
If you mean "demand the cis VA get fired," no. I'm not saying nobody would, but that's a big generalization there and it doesn't quite hold up.
Hell, Sena doesn't even directly call for her to step down--just expresses frustration that the VA doesn't seem to have any intention of ever doing so. But a personal counter example:
(Please see next post, I have discovered the forums have a 3000 character cap.)




