How old is that info ? I did not bother to check YT.
The P6 has been getting all sorts of fixes, since it was introduced last year. Sure when it was first introduced, like any modern device it had a few bugs.
But if you take some time, you can read the release notes of the various updates and you will see there were many audio bugs fixed, including for Bitstream audio, passthrough codecs etc... Even updated HW Codec libraries not long ago to fix rare but potential glitches with some types of streams.
Example of one from August 2024 where amongst other things, they addressed the following:
If you have a receiver, you will most probably enable passthrough and let the receiver handle the decoding. There was an issue with some passthrough, but they have been addressed over the number of updates.