Is There a Legacy to This Language?

It should be obvious that this language is problematic, to say the least. We could have used other terminology from the start. And every choice where we've used it in a new system was an opportunity to not keep it. But there's a kind of a competence gap of if you don't want to use that terminology, you need to meet this high bar to demonstrate why it's wrong. So for example, like leader and follower, or primary and secondary,. There are other things that are more precise, more accurate, and don't carry this unnecessary baggage with it.