Is PR useless? You bet.
There must be logic in what and why things are happen but that logic is not something you can apply to Google. Looking at what G. has in link:qoolest.com and what it has in WMT, one can't stop wondering if Matt Catts have any idea what the hell he is talking about.
Logic would say if link:qoolest.com lists amray.com then WMT should have that link listed in there as well, but... when it comes to G... eh, forget about it.
I wonder if anybody noticed these differences in "link" and WMT data?