Unlike a helicopter, which is very difficult to fly, this is not, it's basically self-flying. And it makes for less emissions, and I think, much less noise.
*I looked now for adblockers for iPad, and found I already had one, NeverAds, but it was turned off, possibly after last OS update. So I turned it on, and what a difference; that confusing and ugly web site is now simple and beautiful.
What a refreshing experience to see the content without having to make several decisions about what text, pictures, and especially links, is content and which is advertising. (They're disguising it now in many subtle way, like making it hard to see immediately which is a "next page" link and which is a link to promotions.)