That's certainly true. However, just because it's difficult doesn't mean we shouldn't try. Especially because current solutions have not solved the problem of tedious typing on phones, and many are violating user privacy (adding to the first problem). As written, we will make the user experience in a way that you can freely choose whether to stick to the traditional layout or advance to the hexagon one, so not forcing the user to re-learn if he doesn't want to.