If you look at her terms and conditions they seem to be modelling themselves on Ryanair with charges here, there and everywhere.
Getting stroppy about guests taking alcohol back to their room is unheard of by me. I have never stopped in a place that objected to it,.
That horrible man at the scottish castle (can't remember his name but everyone else will
) had it in his rules as well and he mentioned it on screen. His view was that as he provided a bar, customers should use it.