My take on Stevens is that I like his demeanor and some of the things he's done on defense. Ultimately, the defense is simply crippled by the lack of an interior defender so I can't be too harsh on him there. Still, I predicted at the beginning of the year that, given the superior perimeter defenders on this team, even without a great defensive big man there was no reason this defense shouldn't be overall at least above average. That's where it has been most of the season, floating just into the top 10 at times and then lately floating out of it. So it has, imho, performed about too expectations but definitely not exceeded them.
However, the offensive scheme he has used for most of the season has been an abominable mess. I find it hard to fathom in the modern NBA that we don't execute hard picks to free up our shooters. I don't understand why we don't run actual plays designed to focus usage through our best players and instead just pass the ball around like happy daisy chain, just letting whomever *thinks* he has a great shot go ahead and just take it.
Now, since Rondo has come back, there have been some changes. He's clearly giving Rondo a LOT more reign over the offense than he allowed Crawford or Bradley and Rondo does a lot more to create open looks and matchup advantages for his teammates.
So it is possible that the crap offense we used most of the season was more symptomatic of the players Brad had available than of what he actually wants to do.
So I'm willing to wait and see how things play out.
Basically, I can understand where kozlodoev is coming from. I like a lot of the 'demeanor' and 'intangibles' that Stevens seems to bring with him, but I think the jury is still out on the Xs and Os. That's not saying anything really negative. That's saying we still have to wait and see.