An hour's earnings can destroy a decade's earnings. That tends to make some people understandably nervous to the point of lobbying lawmakers to threaten some with serious penalties for toy/hobby activities.
Million-dollar aircraft tend to have people on them, while $30 drones don't. I think that's what he was getting at.
It's not. I was trying to point out that it's more important to think about who else is in the the sandbox rather than how much you paid to get in.
I think it is relevant to a point. $30 is an incredibly low barrier to entry. It means you're much more likely to have an issue than you would be if the cheapest drone you could buy or make was measured in thousands of dollars instead.