Thank you, but I want to point out: this is an AVERAGE plot. It smooths out little blips but the key point is it represents the whole production run, and variations are kept +/-2dB without a rebuild/test. So an individual phone can be a little lumpier, though they're usually very down the middle.
I think you deserve a lot of credit for posting the data on those two other posts and even continuing to address this instead of just leaving it at "that was a faulty/outlier unit", that level of transparency isn't common in this industry.
Hell, Dan's probably got a lot less variation going across his MD than some of the largest manufacturers do these days ('sup Beyer's Tesla?).