What you probably see is him being an octogenarian.
But unlike most 80-somethings, he's still married, with adult kids and grandkids who live in the same city. Quincy Jones is one of his best friends and they hang out. His assistant explains he stays busy, and cussed out, trying to manage Avant's busy schedule. And, I've long heard Jalen Rose reference him anonymously with fondness and excitement, a seemingly shared sentiment among the expansive group of folk who appeared in the film and all the others who didn't. He's also still active and able to travel.