I used to be concerned about things like this, but now I accept it as part of the cost of doing business with Apple and on Apple platforms.
“For Macs with the Apple T2 chip, the repair process is not complete for certain parts replacements until the AST 2 System Configuration suite has been run. Failure to perform this step will result in an inoperative system and an incomplete repair,” the document reads. MacRumors reported the new policy earlier today.
I have built my own computers, run Linux (as well as Windows or Mac) as my primary operating system, run Android version based on AOSP, and have reached a point where I will gladly pay a single vendor for a more secure and consistent hardware and software experience. Admittedly, if Apple were a terrible company to do business with, I might not feel this way.