It never gets to that in countries already deeply aligned.
They all agree on this because it will be a hidden sticking point for some others,
If that's not an impediment some lobyists will make it so.
If that doesn't work us ambassadors, state departments and/or USTR will pressure or even put you on a trade watchlist.
If that doesn't work some 3 letter agency folks will land on a domestic airfield and have some talks.
If that doesn't work some media might peculiarly shift it's tone.
etc
They all agree on this because it will be a hidden sticking point for some others, If that's not an impediment some lobyists will make it so. If that doesn't work us ambassadors, state departments and/or USTR will pressure or even put you on a trade watchlist. If that doesn't work some 3 letter agency folks will land on a domestic airfield and have some talks. If that doesn't work some media might peculiarly shift it's tone. etc