Lockdowns were done in many places in the world, including in Taiwan. I get that you're angry about being inconvenienced, but you weren't living in a totalitarian state. You were inconvenienced because there was a massive public health emergency, and the government had the choice of either locking down one city or letting the virus spread to the rest of the country and kill millions of people.
Anyway here are few links and videos for those curious what happened
The Initium's timeline of the whole thing https://campaign.theinitium.com/20220506-mainland-covid-shan...
A viral video on Shanghai lock down https://www.youtube.com/watch?v=mBdOXwdBn5s
Forced transfer to Fangcang quarantine center without testing positive https://youtu.be/NQfmOTB_naA
Spoiled food in groceries https://www.sohu.com/a/539911328_118622
Community effort to collect the names of those who died, whether it is covid or othe medical conditions or suicide(the og Airtable is down) https://github.com/augustuscaesarr/runrunrun/blob/main/%E6%9...
Here's a fun one, a fake app for Covid Health Code, which was required to enter any public space and private business and even your home https://ilovexjp.pages.dev/
And it is fit to finish with Shanghai protesters shouting Xi Jinping Step Down, Dec 2022 https://www.youtube.com/watch?v=vDAX8UO4ZQA
You were personally subject to quarantine measures in early 2022, and that irks you. On the hand, if you spent the pandemic in Shanghai, you were more free to go about your life than people were in the West for most of 2020-2021.
None of this is "totalitarianism."