No, the blog post actually says that they do, she just straight up lied in this comment.

It's especially annoying because I can count on both hands situations where the blogging / social media team and the engineering / legal teams weren't on the same page. The blogging team sends out a message saying "we don't," while engineering is already working on something that does and legal has signed off because it doesn't violate the Terms.

Thank you for your feedback. We’ve updated our terms of service (in section 10.4) to further confirm that we will not use audio, video, or chat customer content to train our artificial intelligence models without your consent. https://blog.zoom.us/zooms-term-service-ai/