Let's also not forget that Zoom's internal processes and engineering standards for security were so poor that Apple implemented the rarely-used malware removal tool, because they screwed up their client software so badly:

https://techcrunch.com/2019/07/10/apple-silent-update-zoom-a...

https://www.theverge.com/2019/7/10/20689644/apple-zoom-web-s...

https://www.macrumors.com/2019/07/10/apple-update-remove-zoo...