What alternate reality are you living in ? Who DOESN'T pull out their phone and respond to a text, google something, Facebook, twitter, etc, WHILE walking, (or driving for that matter). If everyone chose not to "be in motion" while they were on their devices, our world would literally come to a halt.
Once again, you're missing the point. First, I was arguing against the rationale that a small screen is better because it allows for one-handed use.
Second, the reality that I live in
sucks because people are doing the things you mention
instead of paying attention to where they are going. I didn't say no one does these things. I implied that you shouldn't. Why? Because that is a good way to get run over, or run someone over yourself. It is just unsafe. Women are easy targets for rapists when they head for their car at night and are staring at the phone instead of their surroundings. You can fall into an uncovered manhole, or step into an elevator shaft when the doors open and the elevator isn't there. All these things are happening, because people are doing what you say "in my reality". Heaven forbid that someone runs over your kid or plows into a school bus because they just had to answer that tweet
with one hand on the steering wheel.
For doing the things you mention, it is best to stop moving, do what you are going to do (text, tweet, google something, look at the phone to see who's calling), then continue.
Just because you
can do something, does not mean that you
should. In military installations, unless you have a hands-free device, it's the law to pull over while answering your phone. You can get in trouble when you don't.
We all know the consequences of texting and driving.
The point really is this: Apple's rationale for a smaller screen is one-handed use. I contend that one-handed use is supposed to be absolutely indispensable only when on the go. At those times, you should not be looking at your phone
all the time. At worst, you should be glancing at it while watching where you're going. At best, you use Siri. In situations where you are staring at your phone, one handed use is almost unnecesary. There are, as always, exceptions.
But for the things you are really meant to do on the go, a bigger screen does not stop you. Typing on a phone is better with two hands, last I checked. Watching a movie and reading is better when the screen is larger. Playing games is better with two hands. Taking pictures, etc. Most things that one does with a cellphone are best done with two hands on the device.
So, to summarize:
A: I disagree with Apple's one-handed use as a screen size rationale
B: Stop walking, driving, moving when using a device (or app) that requires your (relatively) undivided attention. You can hurt yourself and others if you don't.