1. Houston isn't a top-3 team in the west until they prove it...and Howard was owned by Baynes for God sakes. Memphis is the only playoff team in the west with two competent bigs that must be defended together.
2. This "going rate" bull has to stop. I get it...teams overpay for size. That doesn't make it the right basketball decision for the Spurs to do it. What's worse is that Splitter got two years beyond Duncan's likely retirement. Without Duncan, I expect Tiago to be much less effective than he is now on both ends of the court.
3. Yes, Millsap is "undersized". He's also the complete threat offensively that Splitter is not. And it's not that he's terrible defensively either...just doesn't play the Center position and give the illusion of a "big" frontline. He also took a deal that would've ended along with the big 3 and provided maximum cap flexibility that offseason.
Look, I'll admit that losing Splitter would've been a hit to the defense played by the first unit...but they had options to stay relevant (e.g. Millsap, trade exception from S&T) and not overpay.