Do you like racing big wheels down the hills in the rain? I do.
When I was in middle school, I was a picky eater. I didn't eat meat and I didn't eat any vegetables besides corn, potatoes, and artichokes. If it weren't for my parents cleverly blending all sorts of vegetables into pasta sauce, I'd probably be about four feet tall and be even skinnier than I am now. I told people that I didn't like meat or vegetables, but in reality I just didn't know; I stubbornly refused to try them.
This sounds ridiculous, but we do it all the time. We write off certain activities that we've never experienced, usually because of a lack of information. Recently I've been challenging my prejudices by doing things that don't particularly appeal to me. It comes back to the risk/reward idea: if I don't like the activity I've wasted an hour of my time (because I'll leave if it seems hopeless in the first hour), but if I do like it I might find an awesome new hobby or interest.
One of the great sacrifices of subjecting kids to school is that it trains them to ask for permission for everything, from turning in work late, to changing to a different class, to more mundane things like going to the bathroom. It's a tradeoff, of course: condition kids to seek permission for everything, and by doing so enable a system to exist where they receive an education.
Maybe that's a worthwhile tradeoff, and maybe it's not. But the real harm in it, in my opinion anyway, is that when we leave school, we're still in the habit of asking permission for everything. That's dangerous.
A manifestation of this that I come across with frequently is the questions that people send me by email. Here's a paraphrased template, which covers a good 60%+ of the emails I get from strangers: