"To make this possible, Free/Basic users seeking access to E2EE will participate in a one-time process that will prompt the user for additional pieces of information, such as verifying a phone number via a text message. Many leading companies perform similar steps on account creation to reduce the mass creation of abusive accounts." Perfect instrument to collect more personal data.
Also, fun note - just noticed Eric Yuan posted that and also created Zoom.
https://en.wikipedia.org/wiki/Eric_Yuan
Eric S. Yuan (Chinese: 袁征; pinyin: Yuán Zhēng; born 1970) is a Chinese-American billionaire businessman, and the CEO and founder of Zoom Video Communications, of which he owns 22%.
No wonder why they have to play party with CCP.