I think there are three - or is it four - threads currently going on essentially the same topic.

It all reminds me of two CDs I got a few years ago: Song Links v1 and v2. Mudcat was one of the production sponsors. These are collections of English songs and their Australian (v1) and American (v2) variants. Songs, and language, change over time. That hardly means that one version is 'better' or 'more correct' than the other.