Originally Posted by
MSPeconomist
If there can be a deadline for both the check in counter presentation and also the gate presentation, they one could never satisfy the second requirement if the check in agent refuses to issue either a boarding pass or a seat request card. AFAIK this is what happened in this case: OP never was issued a boarding pass for the AF flight and therefore could not clear TSA security and go to the gate.
OP seemed to make it to the gate in plenty of time one way or another. Plus it's just silly to think the airline could shirk IDB responsibilities just by keeping a passenger from getting to the gate.