thanks for your feedback to Hertha. We don't have "Press Officers" in our database, they are always automatically generated by the FM when you start a new career. I do agree with your comment on Kalou that he can play on the left side around as well as on the right side so that will be noted for a future database update.
Plattenhardts ML is already "accomplished" on the game start which feels just right to me. He clearly prefers playing as a D(L) in a 4-defense-line. (His ML position is set to 15/20). The same goes for Mittelstädt. While he had some games playing as ML/AML recently, he performs better when playing as D(L).
Leckie plays nearly all the time on the right side for Hertha and his AM(L) position is set to 17 which is absolutely okay imo.
When the game says "accomplished" to a position I think it will always be atleast 15/20 on that positional skill.