It will survive for sure - the question is if it will be an independent entity. My personal prediction is that Zoom - like Slack - will be acquired by Salesforce if Zoom's stock price normalizes. In both cases, benefit of doing the IPO is that it enabled the founders to cash out at market prices.
Eric Yuan at Dreamforce - https://www.youtube.com/watch?v=h7DmHSxsYoI&
There's another video of Eric and Benioff having a chat at Dreamforce.