And once the table is flipped, you have no more leverage. Plus, the other side can tell their population, "the US is being a bully." It looks cool, but it's not nearly as effective as the slow-moving grind of global diplomacy.
This isn't some whim of the current administration. The United States has been trying to correct this for decades.
It might have been in the works for decades, but the current administration is why it is actually happening in 2019, instead of getting perpetual postponements, hoping to resolve things amicably, without major economic disruptions.
I'm a bit surprised they haven't moved toward recognizing Taiwan as independently sovereign, and I'd bet that someone is carefully redacting any allusions to the fact that Taiwan exists from all briefings, and begging Fox News daily to keep any mentions of it off the air.
Trump wants a trade war, not a real war.
One only has leverage if the other side thinks one might flip a table, which requires a periodic demonstration.