To not understand why people do not understand that both of them were abusive.
Depp lost his UK case before showing he was violent. And Heard is no angel either she was abusive during their relationship also.
You get Depp fans thinking he is perfect when that has proven to be the case. Then you get Amber Heard fans saying "believe all women" which is ridiculous because you judge people by their actions not gender. Some of Heard's fans fail to realize that women can be abusive too. They sweep that under the carpet.