The didn't redefine the words, they defined them. Anyone using them for anything other than the purposes they were defined to cover is a dishonest parasite who is intending to trade on the goodwill of the people who adhere to OSI's guidelines. "Open Source," capitalized or not, was not a common phrase before they introduced it. I don't care if somebody in 1965 said "I decided I'm going to be open, and share the source code!" Somebody sitting right next to him probably said "I decided I'm going to be open, and tell people that I will never share the source code."
Because prefixing something with the word "Open" to imply that it would be completely transparent (in any context) wasn't even common before the term "Open Source" was invented. When people do that, they're hoping that the goodwill that Open Source has generated will be transferred to them, and they are judged on that basis. "Open" generally had a slightly different meaning: honest.
> A random "initiative"
And when you play stupid, nobody respects your argument. It's self-defeating.