I don't think that's it, otherwise we'd see mentions of software that is up to scratch, not the far inferior solutions from Cisco, Microsoft, and Google. I don'

I don't think that's it, otherwise we'd see mentions of software that is up to scratch, not the far inferior solutions from Cisco, Microsoft, and Google. I don't see any of these journalists suggesting an app with true E2E-encrypted video conferencing, chat, and screen-sharing. I had to google around a bit to find one -- "Wire" apparently claims to have E2E-encryption for video, but there must be some others.