Hi
I'm not a big guy, nor do I fly First class but I think Ozstamps has a genuine point here.
If you are offering a premium service to people you have to be consistent - and restrooms should be included in that as well.
If I was an airline reading this posting and was seriously thinking about how I could distinguish my first class service from other airlines I'd take ozstamps seriously.
Good on you Ozstamps.
cheers Peter