Your post bring up a other aspect of just how bad it actually is.I mean, in terms of pacing I'd argue that in some ways we go from 0 to 100 when a lightning storm removes the ceiling from our heads and showcases a man who hung himself after just walking in the door.
From there, a spooky man whose head moves between his shoulders and his hatbox seems about right in WDW's location, especially since their version up until this point has more time to build with the portrait hallway, library and endless staircases before getting to endless hallway area.
I'll admit it might seem a little sudden to me if he were placed here in the Disneyland version because that is like, our first scene. WDW has some build up on the actual ride portion of the attraction going for it before this point. Remains to be seen just how much he detracts from the endless hallway, though. If your eyes go straight to him and want to stay there so you can see his full effect, it may mean paying less attention to stuff like the floating candelabra at the end of the hallway.
The ghost Host is woth us narrating the tour of the house at this point. He has said something about each room and prominent features.
It is odd to give such a focus as he is narrating how they find it delightfully unlivable there with hot and cold running chills.
It makes me wonder if the staging of the bat cage has anything to do with this and DL considered a.mkvje related.effect and the bat cage prop was a stand in.