I understand that there is an entire culture surrounding these machines and that people enjoy collecting and restoring them. Hell, I would even like to build a cabinet myself one day.
But there's a reason they are disappearing. They're old and obsolete. While they may have value to a niche group, they are overall viewed as mostly worthless.
Secondly, there's a very simple solution to disliking what someone else does with their own property. Purchase it before they do whatever you dislike. Either from them or by beating them to the punch and buying it from the previous owner before they do.