Language history shows that dramatic changes can happen at any moment. Languages can even return from the dead… If the situation with the US spoils to the point of US culture becoming disgusting to the average European… There’s no emotional attachment to English, and most Europeans speak it poorly. You can start speaking basic Esperanto within days.
Sorry, that ship has sailed long ago.
Pick your fights wisely, this is a lost cause.
Language history shows that dramatic changes can happen at any moment. Languages can even return from the dead… If the situation with the US spoils to the point of US culture becoming disgusting to the average European… There’s no emotional attachment to English, and most Europeans speak it poorly. You can start speaking basic Esperanto within days.