Yep. I noticed all the same trends myself. Even considered buying 200 boxes to eventually sell at a higher price and then my integrity kicked in to remind me that maybe other people want a good deal and to be able to use the film too.
The part that angers me is the obvious profiteering some of the people do - completely based off of consumer ignorance and false hype.
Stop worrying about grain, resolution, sharpness, and everything else that doesn't have a damn thing to do with substance.