AntcuFaalb said:
2. It's not about "better" or "worse". It's about preserving film history.
For me, it's pretty much about better and worse. To belabor your metaphor,. the SEs aren't as if Leonardo "improved" a masterpiece with incongruous elements--it's more as if Leanardo's deranged uncle scrawled a bunch of crude pornographic day-glo doodles all over it.