Most of them couldn't sell life jackets to people bobbing in high seas.........
[analogy meets reality]
USCG does a good job of making sure that doesn't happen, protecting your average fool from themselves,
thru inspections for meeting the PFD per capita requirement..
likely the same on the inland sea, the Great Lakes...
off center cold setting is a careful workmanship issue,
FWIW, new steel high end frames are checked on alignment table .
and cold set till meeting spec ...
precision increases with the tools you have to measure with..