Also players in beta are too high lvl in first 1/3 the game (because there is no other place to go). It's like starting D2 with lvl 13 character and then complaining that blood moor looks/are easy.
You should be more worried that this game would be to hard. I mean D2 in hell was hard! Yes it's easy if you had all runewords and unique equipment. But you only had those because of botting and dupe problems. Also your character was some kind of cookie cutter.
Go make new char in d2. Mess up some attributes. Put at least 30-50 points in mana and over do str and dex (Because you don't know how much you need ;). Then use only blue items in hell or those items you had found in first run in nightmare. Also mess little bit of your spells (Take the wrong ones) and then say D2 is easy :P
One reason why D2 was easy was those dupes and the other reason was that people uses perfect builds when game was designed that you can make mistakes an still manage. That's why they removed it from D3. So you can't make overpower builds and cry why the game is so easy.