This bothered me a lot. I do enjoy certain characters but that doesn't mean I want to see them pushed into the story as much as possible, even if they might not belong. I want them done justice and if their time is up, then their time is up for the most part.
In this case, I'd like to bring up Emet. He has a really, really nice voice, but it felt wrong to have him narrating EW. I'll give Elpis a pass, although I'm sure many will find it debatable. And finally, I don't believe him or Hythlodaeus should've been a part of the finale of EW.
I absolutely adore the character, but it comes to a point where the fanservice feels a bit wrong.