They can. It's just some shady semi-government-worker-semi-business-man who controls the important channel for extracting money, and usually they do not want p

They can. It's just some shady semi-government-worker-semi-business-man who controls the important channel for extracting money, and usually they do not want poor people to live. See for example: https://asia.nikkei.com/Business/Companies/China-s-Changsheng-Bio-technology-hit-by-heavy-penalties-in-vaccine-scandal https://asia.nikkei.com/Business/Companies/China-s-Changshen... Some companies produces fake vaccines and regulated the vaccine market to not allow imported vaccines.