The movie execs aren't going to give Hart his due until he makes money in a movie that they believe White people will see. Now, I'm sure there were plenty of people of all kinds who saw Ride Along and Think Like A Man.
But in their worldview, it won't be until Hart makes his Trading Places/Men In Black/Silver Streak buddy movie with a White Actor that it counts.
In fact, the only reason I figure it hasn't happened yet is probably once they do that and the buddy movie hits, the Studios are going to have to really pay him then.