This is why copyright can't be this long. You're prohibited from duplicating physical media well past the point where it is likely to have degraded. Thus effe

This is why copyright can't be this long. You're prohibited from duplicating physical media well past the point where it is likely to have degraded. Thus effectively for much data the copyright balance no longer exists. Much work that should enter the public domain is instead merely wasted. Promotion of the arts and sciences is no longer served.