I'm terrified for this move I play from the the UK (Europe) and have a nice stable 86ms on most days so naturally I don't want that to change.

But at the same time I am fully aware that the servers are designated NA servers so they probably want to do the most for players actually in that region. I wish I had known all those years ago that one day the EU servers would actually be moved to Europe and I would have moved to those before making friends/creating a FC/buying a house etc, but yeh...