When I saw them compare it to E2EE, since that’s at least a specific thing that can’t really be misinterpreted, I thought they were serious, but turns out it’s not at all[1] and they are advertising themselves as being far more private and secure than they actually are. Considering their investor list[2], maybe this is more common than we realise?
[1]: https://news.ycombinator.com/item?id=40044348
[2]: https://www.rewind.ai/about#:~:text=Our%20investors