US companies challenged the US government in court several times.
How many Chinese companies could just think about it, and how long it takes for their executives to be executed?
I really wish you all to find yourself under a real dictatorship, one day. Unless you become the persecutors and executors - which is probably what you dream to become - you'll find that it's not so nice...
Why do you believe people in Hong Kong are risking so much? Probably they value their freedom more than you because they can see they are losing it quickly - and they know how much they can trust Chinese government promises.