That's one sample, Bushnell glass varies a lot, more than most mid to high end manufacturers in my experience. Of the DMR's and HDMR's I had one had absolutely amazing glass, a couple were just ok but serviceable all the way to 21x and then the others were bad enough that they weren't usable above about 18x. The ERS I had was serviceable too but the XRS the glass sucked on the top end and wasn't usable.
I had two DMR2's and neither had amazing glass but they were both servicable throughout the magnification range and about what you'd expect in their price point. The 2's are definitely better all around than the previous models without a doubt, but they still lack the quality compared to other scopes, it isn't all about glass quality. They're still plagued by turrets that don't line up right and you can't make line up right because of the spline style fitment, and just overall lack the quality feel of of other more expensive optics.
Have you actually compared the pro side by side with a Mark 5, or had any time behind a Mark 5, or are you just in here for an armchair assessment?