Add chat as well as rune and masteries alteration opportunities during Loading Screen
Champion select should be champion select. Players talk about roles, positions, and what champion works best in the team. Why rush players to choose runes and masteries in such a short time as well as talk about strategies to beat the opposing team? Team play requires team work. And thus more communication. The loading screen is 5 sec - 10 minutes of doing nothing but Alt- Tab.
There are Crs voice and other means of communication, but not a lot of people are comfortable talking, than they are texting.