Originally Posted by
callum9999
That seems incredibly inconsiderate...
Obviously plumbing in the US should be fine pretty much anywhere, but in less developed countries that isn't always the case. While it is unlikely to cause any immediate problems to you personally, they have those rules for a very good reason...
Ahh memories of the ladies room in the baggage area at Cusco airport where all the toilets had been clogged by just arrived westerners who tried to flush stuff instead of throwing it away <insert absolutely disgusting icon here>. I've learned to follow the locals.