The only difference between this year's Spurs team and last year's is Aldridge, unless you think Splitter and Joseph are the reason Green went from a 40%+ 3 shooter to a player that can't make anything anymore

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The current Spurs team is clearly fool's gold..easy schedule + other expected contenders starting slow + they have been carried by Kawhi playing like the 2nd best player in the NBA, and Parker playing at the same level he did last November, which isn't going to last, clearly..
Green being unable to make 3s makes him unplayable, he becomes Andre Roberson, which is useless in today's NBA..that leaves Mills as the only shooter on the roster, and it forces the Spurs to over-use Manu, along with expecting inexperienced players like Anderson and Simmons to give playoff minutes(which doesn't work in the NBA, they'll both foul out in 5 minutes with the way refs treat unknown guys)..
They essentially killed their style of play/rotation to become a mid-range 2 shooting team that no longer has any depth on the perimeter, and is relying heavily on 2 ancient players to dominate(Parker/Ginobili)..