The ref argument is a non-starter for me. It's really hard to call games over 48 minutes at the pace and player movement that exists. Also, everything is in HD now, so any slight miss gets amplified. Last season, sitting almost near courtside, I was, like "how these refs keep up and see all this stuff is insane". Zach Zarba was the lead, and he is one of the best refs in the league, and he controlled the game so well. They're bound to miss some things, ultimately.
Also, the coaches and Jokic (who was playing) are constantly working the officials during live play. It was really cool to watch up close and hear some of the interactions. The refs keep their cool really well, and wait for dead balls, free throws and TOs to chat.