Another voting for it (from memory) as being a fairly longstanding EASA requirement.
Originally Posted by
VariablePitchP
I suspect the cabin crew just said ILS because that’s what they got told, every landing pretty much is a Cat I ILS so it won’t just have been for that, it’ll have been for something more precise.
^^This...Telling most of your passengers that it's being done because you are about to fly a CATIII B ILS, or something equally mysterious rather than a standard CAT I ILS is going to leave most of the audience going

, some of the more nervous perhaps going

if they hear phrases such as "blind landing" and only a few if any, nodding their heads sagely.
TBF it's not a distinction most cabin crew would be aware either, it's not their job. I'm a great believer in the philosophy that there are times when there is no point in going beyond using a vaguely correct technical term to get the job done/point across.