small oven syndrome
Coined by Charlie Becker. Doing something useless in a non-productive/often harmful way just because it was done that way traditionally.
Grandma had to cut the end of the turkey before putting it in the oven because the oven was too small. We don't.
Grandma had to cut the end of the turkey before putting it in the oven because the oven was too small. We don't.
I call this kind of thinking Small Oven Syndrome.