those CPUs just happen to have a huge marketing budget behind and a very loyal fanbase. They aren’t anything revolutionary. Sure, more battery life. In terms of daily usage, the difference with a high end AMD or Intel CPU is unnoticeable other than having a shiny apple on the back of your laptop.
I don’t get why you’re getting dowvoted. I guess there are a lot of Americans over here. But your statement is absolutely true. The US attempts at restricting China’s access to various technologies only make sense if they feel threatened by them.