Sorry to burst your bubble. But many of these issues turned out to be true. There was a full exchange program for AP1 because some models suffered from persistent software issues with transparency and noise cancelling mode. How do I know this?
Because I just had my AP2 replaced because with an update my NC became virtually non existent. The service agent immediately identified the problem according to my description and confirmed that this sounds exactly like the problem that forced Apple to eventually agree to a recall program for the AP1 - no questions asked.
I’ve had my AP2 for 1.5 years and never paid attention to firmware updates, never had any complaints. Then the NC broke with an update and I found out I wasn’t alone.