I reckon one of things I've seen questioned the most is 'where are the real players?' when someone gets to international level. This would be one way of at least allowing you to use a player you've put a lot of time into get that experience.
Can't say I play much career mode, there's too many things I've seen or read about that I know is gonna impact my immersion. I would like to cause I loved it on DBC14.
It’s got some quirks and bugs that are sometimes funny and sometimes frustrating but ultimately I’ve found it a worthwhile mode. There’s only so many random games or series’ you can play, career mode does add a bit of goal oriented gameplay that always appeals to you. Besides, it’s a fantastic feeling when you finally get to that century after having survived for nearly two hundred deliveries with a tailender at the other end.