That is the pulse rating chart for VTC5's. They say that it is safe to run them at 50 amps for 40 seconds. The only way this can become a hazard is if someone's mod began autofiring and the owner wasn't aware.
that pulse rating is there for electronic manufacturers... they use the pulse rating WITH a calculated cooldown period.
IT IS NOT THERE FOR US AS VAPERS TO ABUSE.
a dead short is a dead short, no mater how you look at it.
If you want to play in the red zone, that is completely up to you.
Just dont advertise it as "safe".