on my last QF longhaul flight I was forbidden - by decree from the flight deck - to form a 'congregation' around the toilets
Like most things wondrous and wonderful, this started in the US. Australia does seem to drift along in that direction. Australian authorities tend to be of the "Mummy knows best" school, with a narrow minded mean spiritedness superimposed. A direction the UK is also taking. The days of self responsibility and responsibility towards ones community, without State supervision, appear to have been lost.
Regarding Emirates showers etc., I imagine that a great deal of common sense and restraint will be exhibited by both Company and premium passengers.
The DVT issue poses a legal dilemna for lines. The advisories were, essentially introduced by way of a legal disclaimer. Should they now introduce regulations prohibiting passengers from walking around, they will again open themselves up to litigation from DVT incidents.
Again, why can't simple common sense prevail? When seated, always loosely fasten the seat belt, when not, do what you have to do then get back to your seat and buckle up ASAP? There are always extremists on both sides of these arguements who wish to impose a narrow minded viewpoint?