Move ‘em 2 millimeters in the wrong direction and you’ll have a bad time
Are you referring to getting, I dunno, yogurt in places outside the digestive tract?
My understanding was that gut bacteria play a pretty crucial (beneficial) role in overall health, not to mention the whole gut-brain stuff.
https://www.npr.org/sections/thetwo-way/2017/09/12/550465000/behold-the-fatberg-london-s-130-ton-rock-solid-sewer-blockage
You’re not just “sticking it to the man” when you do this though — you’re being a dick to your city, its residents, and employees.