MSD said:
No it's exactly the same thing. For an hour I did something for free which is actually somebody else's paid job. If you followed the same logic as your attitude about photographs, the other staff there would have protested about me helping, and the other parents there would have come up to me and said "excuse me, I hope you're getting paid for this". According your your arguments (and of a few other people in this debate) I was being exploited by the lift company.
I didn't really want to extend this, but since you have challenged my claim of it being irrelevant, here's what will happen next time your kids are in a slalom competition. The lift company will realise that if they don't provide enough staff parents help out for nothing. So they'll provide one or two experienced people to make sure the lift runs OK (and to save themselves some money), and the parents will do the rest to make sure their kids are alright and have a great time. In a year or two the scenario will have changed, because by now the parents will be well used to the set-up, the lift company won't need to send any staff, and any parent who objects to being seen as unpaid labour, and questions why the parents are doing for nothing what the lift company used to pay people to do, will be shouted down as a mean-spirited killjoy in the way that I have been on this thread. The lift company's profits will be improved, though, so that'll be alright.