I do that too, I stay out of traffic, and I don't see the problem. Of everyday experiences I'd just as soon miss out on, staring at another DONT WALK sign is near the top of the list. When I want to spend time being creative, I wander around a park aimlessly and ignore my phone; navigating busy streets is just enough hassle that it doesn't work for me.

A colleague of mine has turned this into a game: "Count the Zombies"