Taiwan's controls seem fairly severe, once again I think you're just making stuff up.
Mar 18, 2020
★ IMPORTANT
Taiwan to bar foreign nationals from entering the country starting March 19 in response to the continued spread of COVID-19
1. Taiwan will bar foreign nationals whose flights depart after 00:00 Taipei Standard Time (GMT+8) on March 19 from entering the country in accordance with measures announced by the Central Epidemic Command Center (CECC). Exemptions will be granted to Alien Resident Certificate holders, personnel on diplomatic or official business, persons who can prove they are fulfilling commercial and contractual obligations, and persons requiring special permission.
Frequently Asked Questions (Mar 19)
Q1: Do the new border control measures announced by Taiwan’s Ministry of Foreign Affairs, which went into effect on March 19, annul visa-free entry, landing visas, and eVisas for foreign nationals? Can foreign nationals holding a valid visa still enter Taiwan?
A: The border control measures announced by Taiwan’s Ministry of Foreign Affairs were implemented in response to the continued spread of the coronavirus disease 2019 (COVID-19) outbreak. Foreign nationals who are eligible for visa-free entry or hold a visitor or resident visa and wish to enter Taiwan from March 19 must hold relevant documents to qualify for exempted status. These documents must be presented to the National Immigration Agency (NIA) personnel at the port of entry for approval. Those holding special entry permits issued by R.O.C. (Taiwan) overseas missions, valid Alien Resident Certificates, or MOFA ID Cards will be allowed entry following inspection by NIA personnel.
Q2: Under what circumstances do foreign nationals qualify for a special entry permit? What are some examples?
A: Apart from the aforementioned foreign nationals who can still enter Taiwan, R.O.C. (Taiwan) overseas missions may also grant special entry permits to foreign nationals when there are clear and urgent reasons for them to visit Taiwan based on, for example, humanitarian grounds or approval by competent authorities in Taiwan.
December 30, 2020
CECC imposes entry restrictions and quarantine measures for non-R.O.C. nationals starting from January 1, 2021, and tightens quarantine measures for travelers coming to Taiwan starting on January 15, 2021
On December 30, the Central Epidemic Command Center (CECC) reported that coronavirus disease 2019 (COVID-19) has continued to spread around the globe. The CECC stated that in consideration of the status of the COVID-19 pandemic globally, Taiwan would impose entry restrictions and quarantine regulations for non-R.O.C. nationals, effective from 00:00 am (local time at the airport of departure) on January 1, 2021, and Taiwan would strengthen quarantine measures form travelers coming to Taiwan, effective from 00:00 am on January 15, 2021.
Details about entry restrictions and quarantine regulations for non-R.O.C. nationals are listed below.
A. Non-R.O.C. nationals may enter Taiwan if they meet the following conditions:
Foreign nationals: foreign nationals may enter Taiwan if they hold an Alien Resident Certificate (ARC); for diplomatic or official business; to fulfill contractual obligations; for special humanitarian reasons; when they are the spouse or the underage child of an R.O.C. national; or when they obtain other special permission.
https://www.boca.gov.tw/cp-220-5081-c06dc-2.html