Kobe, Sixers made mistakes on about three plays in a row with weak side players doubling and tripling Jawai, leaving perimeter players free shots (and in one case a back cutting guard an uncontested layup!)
You can't double Jawai if it involves leaving such big defensive gaps elsewhere as he is such a good passer out of the post. His pass is more far more dangerous than his short range game if you can keep yourself between him and the basket.
Gibson had some good examples of good double teams against Jawai, where he was hedging between defenders and Perth's spacing was not good enough to make him commit.
I agree with Paul in that you have to make Jawai prove he can score on you in the post routinely and regularly as his touch from 3-5 feet is suspect (can't let Hire or Knight grab the boards though) and he is prone to getting charge calls if he can't get past you.
Only a couple of Jawai's scores came from genuinely beating his opponent in the low block. As long as those shots are challenged, you would give those up. If he gets around you, well it is goodnight, so you just have to keep a body in front of him.
He presents a unique defensive challenge in this league, but it is far from insurmountable. Teams around the world have been playing against him for years with reasonable success, otherwise he would average 90% shooting every game. The Sixers did a good job at certain times in the game, and lost it entirely at others.
Offensive teams are going to score points, it is just a matter of the defence choosing the lesser evil as to what looks you want them to get off.