I disagree. I think one of the big reasons for this is limited functionality of common interfaces that platform provides. WhatsApp client implements its own ph

I disagree. I think one of the big reasons for this is limited functionality of common interfaces that platform provides. WhatsApp client implements its own photo picker, instead of using system one. Why? So it can add "crop" and "comment" functions. It would be objectively worse for me, the user, if they had stuck to platform features.