Since the other thread is autosäging, inevitably sliding into oblivion faster than this one, I move two new posts here, from an Ameriball.
The first is first.

In relation to the Flip Empire I found these, among others. Did not read due to lack of time. Borders seems a bit random.
http://kbl.org.ph/the-untold-story-of-the-kingdom-of-the-maharlikans-now-called-the-philippines/
https://geopolitics.co/2014/03/05/lost-kingdom-of-maharlika/

As for the ROC, yeah, the claim is a claim.