> every country on Earth spies on the rest,
It's entirely possible an EU country did this; they're only vaguely guessing Belarus or whoever. In most countries, it's a big deal if the spies are caught spying on the domestic government.
> quite a few private entities do as well.
It's a risky game, doing that. You don't get any of the professional courtesies, and you're not usually eligible for the prisoner exchanges.