Before I started working from home full time, I would dump pretty much exclusively at the office (except at weekends/days off, natch).
For over a decade it was the bane of my life to see the loo paper not ripped neatly along the perforations. I would audibly mutter some passive aggressive note of annoyance every time I see an inappropriately torn dross rag.
My typical routine is to locate a usable cubicle, enter, grab some paper, wipe down the seat (always, even if it doesn't look like it needs it.. just for courtesy), drop trou, sit, commence business.
It took me over 10 years and 5 different offices to realise I was inspecting the loo paper after I had wiped down the seat ... ergo I am the "mystery" loo paper ripper tormentor.