I read Iron Man with James Rhodes in the armor for about 2 years. The same goes for John Walker as Captain America, and Eric Masterson as Thor. This era of readers have seen heroes replaced for long periods of time, so the concept is not new but Jason Aaron is a popular writer and he was allowed to tell his story. To the younger readers at my LCS, some who only know Thor as Chris Hemsworth, Jane Foster as Thor was very popular. So to them (newer readers), a woman taking the hammer was a great idea. Not my cup of tea but I didn't buy the book during that period but I wasn't going to bang my fist on the table of the store demanding that Thor return and certainly not be called "Odinson". 

One of the things that bothers me with Aaron's writing is that he doesn't seem to have a grasp on Thor's humanity (Thor always seems mad or drunk in his books IMO) and it felt like he was trying to prove Jane was a better Thor. 

Anything more than that, of course, is just silly to me.

You want to bring back Ulik for one more punch-'em-up, that's fine. That's one way to do the book. Creating something of lasting value concerning the heroic sacrifice of one brave individual, finding her way in unfamiliar circumstances, and proving her mettle again and again against overwhelming odds, literally giving a little bit more of her life with each battle, was the direction in which Marvel chose to go for a while. Sorry you were inconvenienced. 

Hey, maybe now that he's back, Thor will get in a fight with Ulik.

BTW, that issue of What If was one of my favorites. Rick Hoberg did the art on that, and Dave Stevens was assisting him with inks around that same time. We know Dave was involved with Hoberg in the inking of What If #16 featuring Shang Chi. I look at some of those panels in What If #10 sometimes, however, and wonder...

I just didn't like the real Thor -- "Thor Odinson" -- being "unworthy." 

1) The stories had gotten too far away from the characters I knew.

2) I didn't need any more paper. I literally did not want anymore comic books in my house.