Both. That is, we are stupid, and we are manipulated.
These bum guns are common in various countries in SE Asia, as well as in India (where they were simply called "hand showers." I much prefer the wonderfully evocative term "BUM GUN." )
After one gets used to using a bum gun, it's tough to do without. A bum gun is convenient, sanitary, and economical.
I don't know how I'll go back to paper after using this. Much better.