i know it's been discussed before many time, but never have i seen such a nice summary that to the point sums up what's wrong with 2k and their vc love:
With 2K17 it’s hard to shake the feeling that these modes are designed with that in mind, and at times they feel incredibly grind intensive. I get that many people want a game that they can really sink their teeth into and some time with, but the progression of your player and team in the aforementioned modes feels like it was made deliberately slow and tedious to usher you into buying virtual currency. Doing the math on it, it would cost you either hundreds of dollars or hundreds of hours to fully level a character in My Career given the options available to you.
It takes a lot of fun out of these game modes, especially My Career. 2K does offer many ways to earn currency, like using the NBA 2K app, or completing challenges in the game, but that doesn’t help much at all. The economies of the system are priced in a way that you can’t avoid these modes feeling like a free-to-play grind. It doesn’t help that they start you out at the very bottom of the ladder in NBA 2K17. Your created character isn’t much fun to play with at the very beginning of the mode and you don’t have all that much to work with in terms of currency needed to improve them. Add to that some ridiculous design decisions that has you having to wait through multiple loading screens for practice sessions and advancement of your character, and it’s almost feels like they deliberately structured these modes in a way that has you questioning whether virtual currency would be a better use of your time. I mean, they’re selling virtual gatorade at this point that will temporarily boost your character’s stats. We’ve come a long way in terms of virtual currency and its use in games, and NBA 2K17 might have the most egregious use of microtransactions than any game on the market today.
http://attackofthefanboy.com/reviews/nba-2k17-review/