Mansion is without a doubt safe. It’s the cancel mob’s favourite attraction, and they would throw a hissy fit 10 times the magnitude that Splash fans are throwing right now if Disney announced a replacement.
That being said, by their logic, Mansion does have a problematic scene in the stretching room. It trivializes suicide as a joke, and it also features a noose (which is apparently now racist? I get the connection, and it’s very gruesome, but hanging isn’t exclusive to race, and it’s still used as a form of death penalty [which I’m adamantly against]).
This could get a quick scene redo like Pirates. But as someone who considers ending their life almost on the daily, I’ve never gone on Mansion and been inspired to hang myself immediately after. My days at Disney are what take me away from my horrible thoughts, and I feel very much at home when I’m there. At least, I did.