I use one machine specifically for music, permanently connected to Keyboards
etc. and PA was removed with extreme prejudice. On the audio side it's working
entirely Jack - MIDI is mostly ALSA.
On my other 'office' machine it's there and I don't pay any attention to
it.
--
It wasn't me! (Well actually, it probably was)
... the hard part is not dodging what life throws at you,
but trying to catch the good bits.