After Cam Thomas got dumped by both Brooklyn and Milwaukee this season, former teammate Michael Porter Jr. said it was more about attitude than ability.  “There’s a lot more to the NBA and sticking around than just [scoring],” Porter said in a revelation that always seemed to escape Thomas. “For Cam, I think it was a mixture of he was frustrated with a lot of things, and also his personality … he doesn’t really socialize. He’ll come to the gym sometimes and he’ll say like two words all day, all practice. He doesn’t really talk to anybody.  “I don’t think he does it in a way where he’s trying to be a bad teammate; I just think that’s him. But when it comes to a team being willing to pay you and come off that money and you’re a No. 1 option, it comes with so much more. I don’t know if he was willing to break out of his personality and be talkative and try to be a leader and bring guys together.…