If someone plans properly and applies the tolerances to the intended flight path, and navigates competently and in accordance with the rules, the person won’t chew into the tolerance that much or very often, and will have more time to avoid inadvertent entry.
On the other hand, lots of things can go wrong, quickly, for the bloke with his head glued to the tablet computer and map software, keeping the wing of the nifty aircraft symbol just next to the boundary of the controlled or restricted airspace.
I’m guessing that that’s why the FOIs to whom Baswell referred raised the issue in the first place.