Country that put backdoors into Cisco routers to spy on world bans foreign routers
(www.theregister.com)
They don't copy the part where they execute billionaires, unfortunately https://www.bloomberg.com/news/articles/2011-07-23/china-executes-14-billionaires-in-8-years-culture-news-reports
Although, if you're an influential billionaire you don't get executed but get disappeared for some time, like jack ma, giving the general feeling that they want to control billionaires and not just get rid of them