I’ve assumed, but I guess I don’t know for certain, that their lack of adoption of open standards had something to do with their approach to encryption.
I’m currently bought into in to the proton ecosystem and have appreciated having a lot of things under that one roof for ease of use with the family.
I did shop Tuta but I can’t remember why I went with proton instead.
I guess I can enjoy the offerings until enshittification begins?