I think Gaga was expecting people to respond to GUY in the same way that they did with BEYONCE. She may have thought that by "surprise-releasing" GUY that it would gain traction. I think she should perform it live in a big awards show at least once before we could say that it's over.
No. Even urban-only singles from Beyonce and Rihanna have peaked higher (Get Me Bodied, Partition, Man Down, etc.). Hell, even California King Bed peaked at #32 with no hype, just moderate airplay, moderate digital downloads, and an American Idol performance.