The front glass exists to protect the sensors and be easily wiped off. If you don't take a knife to it or drop it on concrete, you're unlikely to cause any real damage.
It's not delicate: https://www.youtube.com/watch?v=Q4aJYb8CNDs
It's not delicate: https://www.youtube.com/watch?v=Q4aJYb8CNDs
This means the outer surface can be scuffed/scratched in ways that cannot be wiped off. This scuffing is described in the video you linked during his first tests. This could be an issue if you get a scuff in front of a camera.
Seems like the laminate combo of plastic and glass is very resistant to breaking though, which is great. Maybe that tradeoff is worth it.