Also, mechanical stuff eventually wears out - at best with good quality ones, the product becomes obsolete before they do. For instance potentiometers [1] used

Also, mechanical stuff eventually wears out - at best with good quality ones, the product becomes obsolete before they do. For instance potentiometers [1] used for volume control on stereos rust over time and eventually become unusable. So there's a durability argument too. [1] https://en.wikipedia.org/wiki/Potentiometer https://en.wikipedia.org/wiki/Potentiometer