No one should ever be forced to waiver their privacy rights. It is also very important to note that, in this case, the personal data you are being forced to share with Facebook actually belongs to your friends, family and business contacts so your decisions also affect them.
The market has been responding to the position taken by platforms such as WhatsApp and the data privacy concerns it has caused amongst users. There are now a number of different secure messaging apps, which are free, and have virtually the same functionality which you can choose to use.
We encourage you not to simply agree to the new conditions unless you are absolutely clear that you understand what you are being asked to consent to as well as the consequences of doing so. There are alternatives and you do have a choice.