The idea that WhatsApp data is shared with Facebook and the rest of its services is something that users did not like. Caused many to migrate to other apps Y Telegram together with Signal were the great beneficiaries. Finally WhatsApp decided to postpone the entry into force of the new conditions.
Clearing doubts from the app itself
For Facebook, the big problem with this update is that users have not been able to clearly know what the real change is taking place. The not making it clear that the information in the conversations remains private is what has caused many users to decide to go to other platforms. Other platforms that are often even less secure than WhatsApp by not having end-to-end encryption, as for example with Telegram.
More information | WhatsApp