I've seen videos on Instagram of people using them for a first person view without having to strap a GoPro to their head. Like for hobby work.

But if you're going biking or whatever, you can just as easily strap a camera to your helmet, and get a 360° view to boot. If you're hiking or shopping, it's very little effort to take out your phone and snap a pic. And you get the benefit of being able to actually preview the shot.