If hemroids are common and can openly bleed, and people poop with hemroids, how do people not get infected buttholes all the time?

https://lemmy.world/post/12453496

If hemroids are common and can openly bleed, and people poop with hemroids, how do people not get infected buttholes all the time? - Lemmy.World

Even the bacteria doesn’t want to eat your ass.
How does the bacteria know without getting a good look at it?