Old people. They exist. Not even that old. 60 year people can't user your fancy site because then don't have an internal model of how a computer works. You know that when pressing a button a hidden engine runs in the backend (or something runs in the backend). You expect an answer and if the expectation do not match the result, the model in your mind creates an hypothesis about what maybe happened and iterate from th…
Giving up is a wise choice: there are so many other sites to interact with. On the other side they have only one refrigerator.
I wouldn’t sweat the broken fridge either though, there’s so many other electrical appliances in the house to use.