Does that mean that a friend using Telegram can import the history between her and me from WhatsApp even if I'm not using Telegram?
If yes this is just horrible, I don't want to have my data on Telegram servers without my permissions.
If yes this is just horrible, I don't want to have my data on Telegram servers without my permissions.
And by the way, that scenario is possible with any data that your friends have from you on any platform. They can technically copy your data from any source to other platforms.
If you share it, it isn't private anymore.