Check out this VPPPA blog post on How Hygienic Is Your Workplace Kitchen?
"44% of American workers said that employees who leave their mess for others to clean up is the most annoying behavior in break rooms. If you’ve ever worked in an office where the employees are responsible for cleaning it, you’ll know that nobody really takes responsibility and the whole office quickly becomes untidy and unhygienic."
https://vpppa.org/blog-entry/how-hygienic-is-your-workplace-kitchen-2