My stance on fanservice has always been the same as my stance with everything else. If it's not doing something important, or if it's distracting from anything important, it should probably be removed.
What is important to a film you ask? It changes by the scene, so it's hard to pin-point. But since we all "love" this man's work so much, let us turn to Michael Bay for some obvious examples of pointlessness within storytelling.
(I know that's a low blow considering we're discussing Evangelion, a work that is clearly superior. But just hang with me for a moment.)
Michael Bay blows stuff up. It doesn't matter if the story called for something to be blown to bits, or if breaking Guinness World Records on pyrotechnics would help the plot any, or even if actually blowing up Pennsylvania Avenue would put the president in harm's way, he's gonna blow stuff up. We've seen one of the few scripts he made from scratch, Transformers 2, and it wreaked of tiresome explosions, robotic panty fetishes, and bestiality throughout. All this with a very weak plot. (If one can even argue it had a plot.)
Let's look at the first Transformers film. (since we already know the second film sucked.) Michael Bay's push for more and more needless action left absolutely no room for plot exposition. As a result, the audience in focus groups and test screenings didn't know what was going on. With the actors gone, Bay was forced to digitally create an entirely new scene where the Autobots rambled on about where Bumblebee was, the importance of the war, and something about a cube being stuck into Optimus. This way, the audience would know that the film did actually have a plot in it somewhere.
Even the exposition scene felt only remotely important. If anything, I felt like I was being spoon-fed information about the plot, and therefore, it made me feel as if my intelligence was being underestimated. This become even more apparent when you realize that any one of the previous action scenes could have easily introduced some of this exposition without even needing to sacrifice any of the action for it. But Bay's "Ooh, look! Explosion!" camera kept any of that from actually happening.
What does any of this have to do with fanservice? Well to be honest, I feel like explosions are a different kind of fanservice. True, it's not sexualized, and therefore not quite as stereotypical of a fanservice as a panty shot or boobs in the face, but it services fans nonetheless. And yet there's a point where we call "foul" on Michael Bay's overindulgence in the flame-fest.
Likewise, something like a panty shot or boobs in the face can distract greatly from something important a film is trying to do. And especially with film, time is money. If 40+ labor intensive frames of panty animation doesn't get a point across other than "She wear white cotton", then the shot is pointless to the rest of the story, and might even hinder from any exposition from being relayed to the viewer until the filmmaker if forced to create something like Bay's "damned if you do, damned if you don't" scene with his boring babbling robots. (<---Heh, that sounds like a circus act.)
And it's not all that hard to come up with meaningful sexualized fanservice. Even Superman's line "Pink" in the 1978 movie could be considered meaningful fanservice. It relays important information (what Superman can and cannot see through) between the film's two main characters, as well as gives us a chance to let us giggle at Superman looking at pink panties.
Does the sexualized fanservice in 2.22 accomplish any of this? I don't know, I haven't seen it yet. But from what I have seen of 1.11, there does seem to be better examples of fanservice out there than the fanservice found in the New Theatrical Editions. Now I'm not gonna form an opinion of 2.22, because I haven't seen it yet. After I see that, I'll have more on it.
Is it wrong to have meaningless fanservice? That's up to the viewer. But like NemZ said earlier, it sure doesn't help. (Again, this is not my judgment on 2.22. That would be ridiculous, I haven't seen it yet.) As for myself, when making a short film I don't spend time or money of a shot that could be rendered meaningless to the story. Fanservice or no.