I have mixed feelings about this.
At DC's prep school there was an extremely active PTA. It was very well run and raised an inordinate amount of cash ... thousands and thousands every year. And every penny we raised was matched by one of the parents businesses, and that was always given to charity.
My biggest issues with it were that it was run by the alpha-career-women-turned-SAHPs.
So there were Christmas fairs, Summer fairs, Easter Egg hunts, balloon releases, discos, camp outs, balls, quiz nights, ...each organised like a corporate event. Put it this way, the summer fair included quazar, simulators, swingboats, tea cups, carousel...the ball included live band, MC, casino, auction etc
Nothing was ever relaxed or home spun.
Now the upshot was we raised a hell of a lot of cash, so an already well resourced school was swimming in resources and we raised thousands and thousands for a locsl charity that frankly could not have kept going without our donations.
So does it matter? I dunno...but sometimes when I volunteered I felt like I was working for the PTA, rather than baking a few cakes.