I can use GMail, but don't tell me the choices are intuitive or that I don't need to try & fail every operation I rarely do besides opening up the most recent m

I can use GMail, but don't tell me the choices are intuitive or that I don't need to try & fail every operation I rarely do besides opening up the most recent mail. The technical backend makes it managable, but the user interface is clearly in the way. The funny thing is everyone copying Google's Material Design, and doing it way better in most cases.