Wemby is a boss and Pop is legend. So why are the San Antonio Spurs so bad?

Let’s get this out of the way at the beginning: Everyone loves Gregg Popovich. He’s a five-time NBA champion, the league’s all-time winningest coach and he led the US men’s national team to a gold medal at the 2020 Olympics in Tokyo. Furthermore, if some tragic world event occurs, Pop is the person in the NBA most would want to hear from (Doc Rivers and Steve Kerr being next). But affection can’t get in the way of a difficult question. So here goes: Why are the San Antonio Spurs so bad?