Slightly off-topic, but while reading the article, I was reminded of the terribly bad mouse switches that Logitech has used in some of their products. They are

Slightly off-topic, but while reading the article, I was reminded of the terribly bad mouse switches that Logitech has used in some of their products. They aren't hermetically sealed, and they corrode after a few years. It's almost as if the mouse was designed to self-destruct after the warranty expires...