Look some people keep sourdough starter for generations. Just because they don’t necessarily make sourdough for 37 years with it is no reason to shame people for their hobbies. /s

Fun fact there’s an ancient sourdough yeast that is thought to be several thousands of years old. It’s not a virgin though and gets around quite a lot!

bbc.com/…/20220711-the-worlds-oldest-sourdough