Zoom has become a popular platform due to widespread coronavirus work-from-home policies, but it's been beset by multiple security and privacy blunders since its boom in usage.
Because of those concerns, various government entities, private corporations and public organizations have banned its members from using the app — including both Google and at least one chamber of the U.S. Congress.
Here's one of the specific privacy concerns (same AppleInsider link as above, emphasis mine):
In March, a Motherboard investigation found that Zoom for iOS app was sending data to Facebook analytics without explicitly outlining the practice — and even if a user didn't have an account.
I'll be on my fainting couch.