I think Butch nailed it , when wheels have been off the vehicle (as in tire replacement) I believe the paperwork even states to recheck lug-nut tq after 50 miles. Who does that ??? I now do every time !
When I take my vehicles into the tire shop America's Tire here local.
I tell the person who writes me up that the lug-nuts can be taken off with the air impact gun, but they will be put back on finger tight then a torque wrench will be used to tq to specks.
I have seen it too many other times they hammer the lug-nuts back on with the impact gun then grab the tq wrench and it doesn't even tighten the lug-nut just clicks and that is over tq'd !!!! They go onto the next wheel...
Those tq sticks are joke as well too !!
Yeah those days of trusting are long gone !