nadeturbe, Prince Philip probably did not put his trousers in the wardrobe, that was probable a room in itself and elsewhere, but folded his trousers and put them over a chair or lay them on a surface most definitely.
You clearly have no experience of naval training, especially for officers. In any of the armed services, during training, the trainee officers get it harder in the neck than the squaddies - and tidiness is ground into to them for life, but in the navy, living on ships with little space and everything having to be kept, constantly ready to spring to action, they take it one further.
More generally, if you have staff, you have to treat them with respect because, if you do not, they just hand their notice in and leave.