You are right though how would you want to explain people who don't know about crypto currencies?! Right now we don't have proper solution for registering new users beside Steemit.com but when there is one I think easiest way would be good for all new comers...I for one think that easier entries and less hassle is good form of introduction. You are right, app should have easier navigation for login and give option to backup keys securely. Some work on this being done, will be out soon 😉