Yes Taiwan claims not only all of China but some parts of Mongolia and India too, they actually claim more than the PRC. They want one China as well, they just wanted to be the ones in charge.
To be fair, that segment of the KMT is mostly dead and gone. The two major factions remaining are the KMT that want the one China status quo to continue and want to just do business with the mainland, and the DPP imperialist radlib fascists who want to declare independence and host US nukes. Nobody is really seriously claiming that the RoC could actually control the PRC in 2023
Yes Taiwan claims not only all of China but some parts of Mongolia and India too, they actually claim more than the PRC. They want one China as well, they just wanted to be the ones in charge.
To be fair, that segment of the KMT is mostly dead and gone. The two major factions remaining are the KMT that want the one China status quo to continue and want to just do business with the mainland, and the DPP imperialist radlib fascists who want to declare independence and host US nukes. Nobody is really seriously claiming that the RoC could actually control the PRC in 2023
To illustrate your point about the ROC claiming a bunch of shit, here's the current emblem of the ROC Marine Corps: