Yes; it is true that WhatsApp has changed its policy and will now share your user data with Facebook for advertising purposes. However, the good news is that WhatsApp gives the user the option to decide whether their data gets shared or not. So, you can stop WhatsApp from sharing your data with Facebook. We will show you how to find this option below.
How to stop WhatsApp sharing your data with Facebook
If you do not want your account information shared with Facebook, just uncheck the box. That will stop WhatsApp from sharing your personal data with Facebook.