It seems secret business under the blankets in business class & secrete your own business in the economy cabin are now tolerated.
I'm hearing you Mstr Cauton. The 'blanket incident' obviously is accepted practise, and the 'urinator' in question was simply taking things one step further.
Crew, keep your eyes peeled, coming soon to a bogan flight near you will be 'The Custard Kid' and 'The Brown Bandit', the bar has been set my friends...