The gas cap mod is how the bike should have come from the factory. Since the key metal is very soft, and the knob provides such a large lever point (i.e. target for bumping), it bends with almost no effort.
I use the stove knob for everything, but with care. For fuel stops, it comes out to unlock the cap, then goes right back into the ignition. With the mod, after fueling, the cap can be closed by simply pushing on it. For accessing the saddle bags, same procedure. Don't leave the key anywhere except in the ignition when it's not being used to turn a lock.
As for needing other keys, I have a FOB to open my trunk, so still no need to remove gloves and dig in my pockets.