[M&M Guy]

Originally Posted by BayStateRef

Or maybe they are an IAABO official, which relies on its own mechanics manual, not the one the HFHS publishes.

IAABO mechanic for jump ball for the referee:
"Verbally and by directional signal indicate the teams' basket."

So in these parts, the official who does not do that is seen as the one who arrived 10 minutes early, doesn't care about prescribed mechanics, etc.

Point taken. This example was not meant to be a slam on IAABO mechanics, but rather an extention of the example given by Nevadaref's response to Snaqwells. You can insert any other non-approved mechanic in my response.