Other nations have their own constituents. Submission is not a particularly attractive strategy.
Other nations may take their business elsewhere or flip the script as they see US markets tanking. That may give other nations leverage to dictate terms to us.
To me, relationships with our competitors (friends and foes) is very important over the long term. And we have professional trade negotiators who know the global landscape and have personal longstanding relationships with their contemporaries.
I reject the notion that Trump is more clever than the rest of the world.