NigG ... regardless of 'status', we are always 'people' and thus surely should always behave appropriately? If a chap needs to hide somewhere for a coffee and a cigar, who was I [a humble sqn ldr] to deny a 1* a bit of happiness? The same rule would have applied to any of my team.
Danny42C ... one surely makes the best of one's environment, wherever and whatever level it might be? Whether it's a hole in the sand, or filter coffee! I had my own furniture, lighting and accoutrements in my SATCO's office, and indeed had to dissuade the Stn Cdr from stealing my 'vintage' RAF desk!
Pretentious? Moi? Just comfort, and perhaps a management tool