To be honest it reminded me more of "Monster Hunter" with it's felinoid (can never remember how to spell the name) chefs and weapon/armor construction, albiet not quite as detailed giving the lack of gathering. Good addition though, the more options the better.
THAT said, I for one do not think it's ever a good thing when a company decides to make fun of their fans. To be honest I'm one of those who has their issues with the art direction in this one as well. I'm probably a bit more invested in the diablo-verse than many other people despite never having played on Battle.net, having gone so far as to buy and read the novels (especially the ones by Richard A. Knaack, whose Cabe Bedlam stories I enjoyed a lot once upon a time... if I'm thinking of the right guy) and also the RPG books for both 2nd and 3rd edition D&D which I actually used for PnP RPG campaign material.
I have a very good feel for what the world is supposed to be like, as it was well developed, and while I understand the need to improve artwork with new technology, what was being shown doesn't quite mesh with the way the world has been presented so far through a lot of material.
In the end it's Blizzard's franchise and they can do what they want with it, however I think that if there is a substantial enough amount of the fanbase complaining where they expect people to "get" the jibes, rather than making jokes perhaps they should have perhaps spent their time tweaking the artwork and color palette a bit (if they ever did, I do not remember hearing about it).
I myself am waiting for a release date, and my final desicians are going to be based on what the product looks like when it's close to release. Perhaps I'll be sold on the changes, perhaps not, I have had my attitude changed before based on how things shaped up.