While you're right that there's not yet any strong evidence that Luka's teammates dislike playing with him, it's generally a fair assumption that guys aren't always here for playing alongside heliocentric stars who suck up all the oxygen in an offense. That was the case during Harden's prime, and Luka's now got the highest career usage rate ever. The dynamic should change now that Kyrie's a Maverick, but it's not clear that anybody wants to play with Kyrie at this point, either. Winning cures everything, as they say, but it could be a pretty toxic situation in Dallas if the wins don't come regularly.