Common names are common for a reason!
I'd note that you linked to https://en.wikipedia.org/wiki/Republic_of_China_Armed_Forces to support your argument.
But the very first sentence of that page is "The Republic of China Armed Forces, commonly known as the Taiwanese Armed Forces..."
Here's the TAIWAN ALLIES INTERNATIONAL PROTECTION AND ENHANCEMENT INITIATIVE (TAIPEI) ACT OF 2019. It starts: To express United States support for Taiwan's diplomatic alliances around the world.
The name "Republic of China" (as opposed to "People's Republic of China") isn't used. However there are sentences like this:
Since the election of President Tsai Ing-wen as President of Taiwan in 2016, the Government of the People's Republic of China has intensified its efforts to pressure Taiwan.
https://www.congress.gov/bill/116th-congress/senate-bill/167...
"China" is a bad brand name nowadays. I really wish they could formally rename their country with a resumption of the civil war.