A fact seldom mentioned in the West is that Taiwan is the one former Japanese colony where there are residual good feelings about the Japanese occupation. Pro-Japan good vibes are rare elsewhere in Asia and Taiwan's are not widely understood in the West.
We've noted the relationship here at COTTonLINE at least 7 times that I can locate. The first such 11 years ago and the most recent just last year.
Now comes a whole article in ASPI-The Strategist describing the warm feelings between Taiwan and Japan and examining some of the reasons these exist. If you've wandered the Pacific basin as we have, you'll have noted how unusual pro-Japan feelings are.