I've met Mr McGregpr personally with my wife. I can speak first hand on what I saw and experiemexp with the man himself, can you? I'll go first.
TL;DR version - UFC 189 I saw the main card fighters do their open workouts. My main interest was Rory and he and every fighter showed up, warmed up for 20, wavedto the fans then bounced. AbsoliAbso nothing wrong with that at all just to be clear. Conor came out last and warmed up, boxed, rolled and fucked around for40+ minutes .After that he went to the fans and had pictures and hand shakes for another 30 minutes or so. He then spoke to the cera for a little promo then bounced. To remove all doubt this happened here's photos with him and my beautiful wife from my IG account.
At the weigh ins it was pure madness .You'd think people were ready for a main event because it was a full house inside the MGM. Every fighter weighed in, posed down, shook hands and left. After Conor and Chad squared off and talked to Joe McGregpr was the only one to walk off the stage and into the crowd for yet another long photo and signing session with everyone who asked.
You examples of throwing a can at Nate and the bus fight are not related at all to his attitude towards his fans. The videos other members have posted further show he's a great guy towards his fans every chance he gets.
DasRy...