They create an ideal environment for bread since they’re cool, dark, and relatively dry. They act similarly to a plastic bag and trap some moisture, but they also release excess moisture through airflow, so you get the best of both worlds.
It sounds like it’s just bad if you don’t know how to use one.
I haven’t found anything that isn’t akin to old wives tales backing this claim up. Got any sources?
Removed by mod
From your own link:
It sounds like it’s just bad if you don’t know how to use one.