I think it’s a portion of it, since depending on the mixing and the setting of the amp/reciever it could be muting the wrong frequencies since they disagree. If the audio is quiet I can change my sound field, or the speaker settings, and it can usually fix the audio, while making something else worse.

So I think the problem is people using generic settings and not fine tuning their system, and all the different potential sources with different setting and encodings make it impossible. So it’s either fix it for each source, or find a generic “okay” solution.