> from 432 Hz to 440 Hz was dictated by Nazi propaganda minister, Joseph Goebbels.
That was a crackpot theory that Mark Taylor fell for. There have been numerous tuning standards for a long, long time. The US actually standardized on A=440Hz
before the Nazis were a thing.
https://en.wikipedia.org/wiki/A440_(pitch_standard)
I believe MT be legit. However when it comes to separating truth from fiction in the stuff he reads on the Internet, the poor guy can discern has ass from his elbow.