This. I always unload at the vehicle as required by my states law while hunting of course. Before my kids were grown I ALWAYS cleared the chamber before I took a handgun off of my person. When I picked it up again to carry it, I loaded a round and press checked. I think this is a good habit. Just like leaving the "wire".
I agree with Blue that this is not a cut-and-dried issue. What about off-body carry? Like a "man purse" in the truck?
I agree in principal with Doc and his Olde English Rott rondevous. I dare say that someone who's been to the Rogers Shooting School won't have an issue getting a round chambered strong-hand only though. The guy in the video below is shooting (to slide lock) and reloading with his right/dominant hand ONLY