On the one hand you're right that this is a terrible place to get a good answer for this.
On the other I don't know of a better one ¯\_(ツ)_/¯
On the other I don't know of a better one ¯\_(ツ)_/¯
n=80,300, but paywalled. However, one interesting tidbit that isn't paywalled is how bad fridge reliability is
>Our results reveal that about a third of all refrigerators require repairs by the end of their fifth year of ownership, making them one of the least reliable appliances we analyze in our member surveys.