Yes, we don't tend to be on our phones near him. Not just to set a good example, but I've found that being glued to your phone isn't really a great thing anyway. For doing real work I sit in my home office with the door closed.
We are a minority.
And if you peer over and look at what they're browsing, it's mostly junk, social media videos or just mindless scrolling.
It's actually healthier for the brain to be bored in such moments.
It's apparently also a hangout spot for (self-awarded) gold star internet parents who love the smell of their own farts and think anyone else wants to smell them.