All except the last one would be additions I'd like to see. Teamtalks are something I'd like to see a big improvement on, and all of your suggestions seem sensible and well worthy of being in the game,
imo.
As for point 5, I think some players should still be upset, and possibly request a transfer to a team that can offer him guaranteed first team football every week, depending on their temperament. But I'm all for betting communication in the game.
Point 6 is an area I'd also like to see improved, but don't think you should be able to automatically offer these roles. Perhaps encouraging them more to get coaching badges or something would be a better idea,
imo, rather than the current way of simply saying you think they'd make a good coach. For one thing, how are we supposed to know whether they'd make a good coach or not, and for another thing, it feels somewhat pointless; I honestly don't really know how this affects the game at all.