For me this is a reason to move away from WhatsApp. So I’m letting you know by this message. I’ll be available on Telegram (https://telegram.org/) and Signal (https://www.signal.org/). Which I recommend as alternatives to WhatsApp. They are both free, have better privacy policies, and are already widely used by many people. For most people, Telegram will probably be the most comfortable alternative, because it is the most similar to WhatsApp. For even more privacy oriented usages, I would recommend Signal.
If you are still wondering why privacy matters, even if “you have nothing to hide”, this little article explains it very well:
Of course you can also reach me by good old text messages, phone, or email ;). I hope to see you on more privacy respecting networks.