I didn't have the time to read all the posts.... looks like a controversial topic.
My POV is simple.
It doesn't have to be perfect, but you do need to have tuned instruments and sing in tune.
And the level of perfection depends greatly on what you're planning to do with it.
You can find my music at:
www.herbhartley.comAdd nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.
The magic you are looking for is in the work you are avoiding.