I resented paying the euro a bit, but the format made a lot of sense to me.
In addition, the bathroom areas are designed to be easy to clean and brightly lit.
I have road tripped around much of the western US and can think of only one time encountering a bathroom like this. In fact, clean bathrooms seem like a major point of competition between gas stations.
https://en.wikipedia.org/wiki/Committee_to_End_Pay_Toilets_i...
The coupon was created to get acceptance for paying, which wasn't common a few years back, but most of them never get redeemed. It is a business worth billions.
Unfortunately people tend to fall for coupons of any kind because they suggest you could save money.
At least the business case isn't stupid.
With attitudes like that you should recognise you're part of the problem, you're part of the feeling of resistance to change.