Some context which may be relevant: many local governments in China are in heavy debt, and they need more income: police have been collecting more and more fines, causing some outrages [1]. There are reports that many civil servants are unpaid for months (in Tianjin [2] and other cities [3][4]), in addition to getting heavy wage cuts [3][5].
A penalty of over 1 million yuan (>145K USD) for using VPN is a new development: before this, only VPN service sellers were prosecuted.
[1]: Law-enforcement agencies have been imposing larger and more frequent fines for offenses: https://www.wsj.com/world/china/chinas-local-governments-are... "China’s Police Are the New Earners for Cash-Strapped Governments"
[2]: https://eightify.app/summary/chess/tianjin-government-crisis... "The Tianjin government's financial crisis, with unpaid wages and high debt ratios, reflects a larger problem in China's declining land finance and unsaleable real estate market, raising concerns about the stability of other Chinese cities."
[3]: https://www.youtube.com/watch?v=242pUa9rXgg "Civil Servants go unpaid and Local Government Borrowed From Temples/Protests surge in China"
[4]: https://www.rfa.org/english/news/china/wages-09082023112323.... "Chinese local governments struggle to pay civil servants' wages"
[5]: The government is trimming a combination of bonuses, cash subsidies and base pay for many employees, according to interviews with 10 local civil servants: https://www.bloomberg.com/news/features/2023-09-12/pay-cuts-... "Bankers’ 40% Pay Cuts Show the China Dream Fading in Its Richest Cities"