Most of the above.
I don't believe Spurs are better than Suns talent wise, maybe experience and mental toughness wise.
I definitely believe we were out coached. Not properly using KT in game 1, could have resulted in different outcome. It was a close game. Not using bench and only going with six players the entire game 5, caused starters to run out of gas in the end.
Suspension did affect game 5 outcome. I strongly believe we would have won game 5 and quite handedly.
Barbosa was a no show the entire series. In fact, he hurt us at times by out of control drives and turnovers. Bell's shooting was not there. Never expected much from Jones anyway. And Diaw has been a huge disappointment entire year so wasn't expecting much from him as well.
I also believe we played decent defense at times but also had major breakdowns possible costing us games like 3rd quarter wide open 3 pointers to their shooters. Game 5 Bowen shot was also pretty much uncontested.
Hopefully, we will learn from these things and get even better next year. Hey, it was losing to Spurs in 5 games in 2005. Then in 6 games in 2007. We are making progress
. Who knows we may be able to beat them next year.