Koenig is better at the PG position than Malcolm. The emergence of Koenig over Jackson at the PG position was actually part of the reason Wisconsin got elevated from a really good team to a team that came just a little short in their quest for a NC. Wisconsin is also visibly better than us this year, a solid starting lineup as I said, but it is not that Koenig has huge or abundant talent around him. And it is not just coaching either.
We have a huge gap at PG, and PG play is one of the biggest problems on this team (and previous teams). We do not have adequate PG play, let alone have someone who can play the position better than Koenig.
PG play has been a bigger issue for us because we continued to play Lewis (and until recently Tate) there for a lot of minutes. When Hill is initiating the offense, it looks much better, unfortunately, much of the time even if we were running the offense through Hill Lewis or Tate have been on the floor and their defender doesn't defend them (note how often we have to kick to a wide open Lewis).
I believe it is true that Hill is equal or better at running the PG than Koenig because statistics support this claim and the eyetest shows it. That said, with the exception of Jordan Taylor, Wisconsin has never really had a high assist rate guy because the rely more on ball movement than a lead guard making plays. Wisconsin's style and history shows, they need their "PG" to simply be capable of keeping the ball moving and knocking down shots more that making plays. I guess we'll just have to disagree about Malcolm's capability vs Koenig.
I will say that few things have hurt us more during Groce's tenure than having guys on the floor who simply aren't guarded on offense. At least with Egwu, he gave a ton on defense, but this year it's been bad. This is where the injuries hurt also hurt you, but our holes on offense aren't great on defense either.