Luckily, I wasn't the first (or probably last) person to make that error.
One even had a "button" that you had to press to "unlock" the dial so you could turn it on, that one almost required a call to the desk.
At least once a week I get surprised by the hot water when washing my hands :)
For me, imperfections make them personal. I am repelled by people ('designers' ;)) looking at everything to find faults and point them out with pride. Tells me they never made a thing with bare hands all their life.
“Happy families are all alike; every unhappy family is unhappy in its own way.”
The lesson I took away is to delete the door if you can figure out how to get the customer to agree.