My point is that "new enough to have DRM depending on who you bought it from" machines represent the majority of heavy equipment out there in the US. There are

My point is that "new enough to have DRM depending on who you bought it from" machines represent the majority of heavy equipment out there in the US. There are plenty of old machine around but they're special purpose and spend a lot of time sitting around. The guy running a farm with a couple antique tractors or running a gravel pit with a collection of obsolete loaders is out there but he's a rounding error.