There's not really much difference. A huge chunk of people in Taiwan are just guys from southern Fujian like Xiamen who moved to Taiwan earlier. So since times sucked back then, there were bound to be those who wanted to take any advantage.Singapore would probrably be better than Xiamen because both were part of the 4 Asian Tigers but yeah I see what you mean.
But it's crazy that when Japan occupied Xiamen, people can and do apply to become a registered Taiwanese despite not being one.
When I first heard that a lot of Singapore and Taiwanese were the same people and even spoke the same language originally, it blew my mind. Actually that applies to many SEA Chinese too.
