Click bait, for sure. On Google search, this shows up as "How to change your Zoom background on the mobile app ". When I clicked on the link, the real title was "How to change your Zoom background" and, of course, shows an Apple notebook screen. No iPad or iPhone images. There are instructions but they're very very incorrect.
Why do people do this? Kelly Woo (writer), that was a sleazy move.
iPhone Zoom app doesn't have any background changing feature. The 3 dots only pop up "Chat, meeting settings, minimized meeting, disconnect audio". Under "meeting settings", there's just: