Earlier quoted context omitted.
I don't know about (2). Alsa "just worked" when pulse audio was released and PA did not "just work" for like 8 years after the first release. Seems like software history revisionism to me.
While PA in the beginning certainly wasn't manna from heaven, it still was a godsend; pulseaudio exposed all the inconsistencies, flaws and straight out bugs in the alsa driver implementations. The reason so many people had issues with PA was not PA but the brokenness of the underlying system that PA exposed for the first time when trying to use all these drivers in a systematic way and build functionality on top of…
That's not my point tho, my point is that PA didn't sweep in and save us, in fact it at first pushed us back A LOT. And claiming otherwise is a disservice to ourselves when we consider additional radical change. Such as Pipewire and and Wayland.