Wally, he said a "good" article, not a "positive" one. There's actually a dearth of good articles out there, I suggest RyeOnHam's for one (youtube) because he gives the run down on differences from the original 51, and a nice step by step of how everything works inside and outside. Sadly, his gun was felled by a poorly cut chamber (I'd bet money on it) and had a semi-out of battery event which prompted him to send the gun back (this seems to have happened to almost anyone who shot a wide enough variety of ammo through the guns, implying the bad chambers are ubiquitous)
My "R51 Explained" review and others were actually largely positive, but with a very critical eye, since I wanted others to know what they were getting into, and hopefully so they would know what to look for, avoid, or even fix in getting one for themselves. Some folks focus on the "was there anything bad" part of the reviews, but that's only part of it. I still think the original TTAG review is deeply flawed, missing almost every legitimate/repeatable problem the guns have been found to have, and faulting it enormously for very questionable or subjective reasons --then justifying it after the fact by saying others had problems that weren't mentioned. That's a "bad review" that is also bad itself (uninformative).
TCB