But the people affected will still be able to play and enjoy the game. The story is not changing, warzones are not changing, just the size of the populations and the name of the server on your character select screen.
If a name change is required, then rename it. Its not going to end their real lives, its a video game that we pay to access. If they don't like, there is a cancel sub button in the My account page i do believe.
Just keep playing the game and enjoy it. Mergers will happen regardless of what people put in these forums.