You’re finally talking sense.

And “Rookie Mistake”? Is that Kipling too?

Why did you start this post with the American phrase “Rookie mistake”? You probably thought that it pithily encapsulated something to do with your point. Or maybe you’re just a… what is it you young people say? A “memelord”?

Gotten is a perfectly good English word. “Stiff upper lip,” that supposed touchstone of the English character, was first used in the United States. Grammar is largely a matter of fashion. If you find yourself questioning the vocabulary choices of various publications because you think they ought to be more English might I suggest having a nice cup of tea, or a tasty beverage of your choice, instead?