You have to relax a little. I'm extremely confident Tim will be in the game. And you'll get to use almost certainly a peak Tim Duncan with a rating between 97 and 99.
Disclaimer: I'm a HUGE Spurs fan, so put those pitch forks down right now guys, but....
I think one reason we may not see a more modern classic Spurs team is because many find them boring. The finals ratings always seems to drop when they get there. I think there is the possibility the devs just don't think enough of their audience would appreciate it. I've personally always wanted a '95 Spurs team. But now if in the all-time team I get that version of David Robinson, I am more than content.