It went viral last summer and had a flurry of activity with community contributions (locations, updates). Winter came, traffic levelled off, and it didn't spike again this summer (though it has remained stable).
I tried to track whether it was OK to use the washroom without a purchase, wheelchair accessibility, size. When I worked at McDonald's, an executive told me they wanted their customers to know there was always a bathroom they could use anywhere in the world even if they weren't making a purchase this visit.
AFAIK, Starbucks had a similar policy for a long time.
It was interesting to see how some locations featured immediately locked down their washrooms.
I had a Tim Hortons franchise owner email me and freak out, so we marked her location as "purchase required."
It's been pretty brutal here with the meth crisis, though, so I also get it.
At the end of the day, I would love for our governments to provide taxpayer funded facilities around the city and even on several of our major highways. We used to have a lot here but they closed almost all of them.
You can check it out: https://www.winnipee.com