For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don’t want to reach under the roll to take a piece! That’s ludicrous!
That or my recent addiction to correcting people when they use “less” when they should use “fewer”
See my comment here for how to count to 12 using your fingers https://feddit.dk/comment/9999431
Actually the circular area formula still makes more sense using tau. It is addressed in the tau manifesto as well, but I encourage you to read it from the start and not just that section (it’s not that long). There really is no good reason to use pi. Tau is the proper constant.