Some of those are reasonable mods though (like bridge improvements on an LP Special). I mean, back in the 60s nobody knew these would be worth what they are now, and playability was the larger concern.
True, if they were made long ago. Unfortunately you still see hack jobs that are more recent.
There was a guitar builder/repairer here -- I can't bring myself to call him a luthier -- who hacked up a number of vintage Les Pauls to install his heavy bridges. The bridges were crude and his workmanship was cruder. The guitars and basses he made were crude too, but he once made a guitar for Prince, so some Prince-worshipers think he was great.
