When it's 50 years later and none of the original people are involved in the edits, it just becomes a weird form of censorship. Trek remade to conform to someone's idea of what's right and wrong Star Trek.Yeah, how dare they add a "di-" to lithium crystals and start saying the Enterprise works for some "Federation" instead of Earth? It's James R. Kirk, dagnabit!
Editing is good. Editing is what makes fiction better as it goes. Purism is unhealthy in any context, but especially in fiction.