From Empire of the Winds: The Global Role of Asia’s Great Archipelago, by Philip Bowring (I.B. Tauris, 2018), Kindle p. 243:
Some of those Austronesian ways and skills could be found too among the peoples of Taiwan – except the sailing ability. Taiwan remained almost completely off the trade map despite the fertility of its western lowlands, its proximity to the China coast, to Okinawa and the Japan trade, and, via island stepping stones, to Luzon. Geographically Taiwan is linked to the Asian mainland, of which it was once a part, while separated from Luzon by the deep waters of the Bashi channel. But in other ways it was much closer to Luzon. Many of its peoples shared language and culture with those of the Philippine archipelago. Why was it that the inhabitants of this large island, unlike those of the Philippines and Ryukyus, turned their backs on the sea and made their living from the land and forests? There is no ready explanation. Although evidence of some overseas trade dating to around 2,500 BP is provided from discoveries of Taiwanese jade elsewhere and Indian glass beads on the island, the identity of the traders is not known. As in the archipelago, there was not a specific bronze age, iron- and bronze-working arriving about the same time.
Even Chinese annals had very little to say about Taiwan despite its proximity. There were occasional traders and fishermen visiting from the mainland, but almost nothing written about it. One of the few who did write was Ma Duanlin, a compiler of knowledge about China’s neighbours. Writing around 1300 and using varied sources, he described characteristics of the people including hair and dress styles, crops, foods, animals, intertribal wars and the freedom of the young men and woman to choose partners without parental consent. They were not literate and followed a lunar calendar but were strong and good fighters. Ma noted that in around 606, during the Sui dynasty, the emperor had sent a mission to learn more about the place and demand the king send tribute. This was refused, so the emperor sent forces which killed the king and many others and destroyed his palace. But thereafter ‘all communication with the country ceased.’ (Ma referred to the island as Liu Kiu (Ryukyu), but the size and position clearly meant that he was referring to Taiwan.)
The early seventeenth century saw a Chinese expedition against (mainland) pirates using Taiwan as a base, which gave rise to An Account of the Eastern Barbarians by Chen Di, written in 1603. Chen noted a matrilineal kinship system, and the easy relations between young men and women. He remarked on the ability of the men to run down and catch deer. They ate all parts of the deer including the intestines and their contents, which appalled the Chinese, but they in return were appalled by Chinese eating chickens. ‘Strange indeed are the Eastern Barbarians,’ wrote Chen.
Far Outliers 