Isn't it a big mistake that many people unfortunately make when they are trying to evaluate personal freedoms rights and values in terms of consumer costs?
"I wouldn’t be getting off their ecosystem." One thing to consider is that if you would not you'll pay much more later even though at the moment it decisively appears relatively safe. Nevertheless by staying with them in such case you'll give them a clear sign that they can abuse you much more and they will. Why not?
>that the right solution may be through regulations.
The full control of devices you own is absolutely essential. It requires a complete transparency of basic components like cpu micro-code, firmware and hardware otherwise it can and will be abused.
Client side scanning is clearly the search without warrant. Hard to see it any other way.