Now everyone on the internet knows that if you come across a Ford parked in a remote area, there's a good chance that the fob will be inside.
I honestly don't know why it's a big deal to have the key/fob on you. I always have mine with me. When I kayak I bring a dry box for things like my keys, wallet, and phone. When I'm hiking I keep those things either in a pack or just keep them in my pocket. I wouldn't keep my key anywhere on or in my vehicle if I'm leaving it in a remote spot for any length of time.
Threads like this kind of make me miss the days when there were no fobs, and you locked, unlocked, and started your car with the actual key LOL.