User blog comment:Xilinoc/Ch. 667 - BIGGER, LOUDER, STRONGER/@comment-3045030-20160326123415/@comment-3423279-20160328043231

Well Xil to be fair to Wanna we had a ton of people saying Kenpachi had a constant release for years only for Byakuya to say "Nope, we're all wrong."

Byakuya might just be saying that the change makes it an "actual" Shikai, he might also just not know, and what Byakuya said is his opinion on the matter.