We are temporarily closing this thread due to the discussion taking place. Bug threads serve as a place to report on if you are able to reproduce the issue or not.
To discuss the simrate in Career mode please use this Wishlist thread: Please Do Not Disable Simrate In Career Mode.
This issue is currently marked bug-logged as it was not originally intended to have the sim rate available in Career Mode. However, the team hears your feedback on the issue and are investigating the best solutions in order to keep the Career Mode fair but accessible.