The fate of abused women cannot be justly used as a cudgel to silence the voices of abused men.
And vice versa, of course, but the former is what the rhetoric being applied here boils down to; that somehow Heard's loss is a loss for abused women.
Maybe, just maybe, Heard lying about abuse is what harms that cause, not Depp's lawsuit for the defamation. Blame the actual culprit for who's given credibility to the misogynist crowd; it's Heard, by lying and getting caught out doing so. Like you said, but it bears repeating.
Not Depp for defending himself and his reputation. If anyone's got an issue with Depp doing so, or the outcome, I'll refer back to my first line.
This isn't about "sides", and anyone pushing that is pushing an agenda other than justice. False claims do more damage to justice than a refusal to level an accusation.