the offical blog post is at: https://blog.zoom.us/wordpress/2020/06/11/improving-our-poli...

Was it wrong to suspend accounts outside of mainland china? Ultimately yes, but as they stress these were accounts that were holding meetings with mostly mainland chinese participants in it.

Any company operating globally needs to follow all the local laws where they operate in. Zoom's decision to develop technology to ban participants from specific countries joining meetings seems to be a good solution to this problem.