In the US your only defense for using someone else's copyrighted broadcast is fair use. Making clips of every play of every game is highly unlikely to be considered fair use.
"Highlights / clips are probably less of a concern, but definitely still a concern. Adam Silver has said "The way we look at it: we’re incredibly protective of our live game rights, but for the most part, highlights are marketing" https://www.sporttechie.com/adam-silver-against-suing-nba-hi...
We also think that NBA itself, ESPN, and BleacherReport can benefit from this technology. There are a lot of potential use cases we think that can be unlocked with this. Right now we're going the consumer route first where they can see live clips, but we can see ourselves potentially working with one of the bigger players if they see value in this.