I tend to agree with the seminar thing. When I was going to the IAEI "lunch" regularly and my wife was building houses I would come home and warn her what the next crusade would be. I was usually right and she had the warning so her jobs were ready for the inspector.
The EMT and GEC thing was pretty much solved with RNC. The EMT will not hold up in the weather here so you seldom see it on GECs. No City hubs, no bonding bushings (if the guy is pedantic). Life is easy.
These days the UFER is in the Florida building code, a punch on the footer inspection so rods are becoming a thing of the past anyway. The #4 usually comes out of the wall behind the panel so protection is not an issue.
My "tape measure" for 6' things like this is my outstretched arms and a calibrated eyeball
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Five feet is wrist to wrist. I certainly would not bust someone for a half inch.
