One of the perks that being POTUS is being able to ring up leaders in other countries, or at least have a very list of people who are very motivated to get you in touch and are able to.
Why would he think the diplomacy like this is…. Viable?
There’s a phrase to describe what I will call “China”: 分久必合 合久必分”, which translates roughly (with context) to something like “cycle through periods of separate states and one country”.
PRC will never let go of the issue.
You are also ignoring that not everyone in Taiwan supports independence. Some support the ROC becoming the legitimate government instead of the PRC.
Doesn’t resting your gun on the mag make it more likely to jam?