This has been happening for a long time. Hardware and software that you can't control is becoming normalized. If they had done this 10 years ago with the same customers, those customers would be shocked or weirded out but right now, many of them will just wait it out or change their host.

Don't limit freedom at once. Do it one by one so the impact seems low.

What are the chances that any of the big tech companies take orders from a fascist to block all the harmful software in their country?

Non zero. People in HK know this. I want to know how they felt about their choice to buy iPhone at that moment.