Originally posted by SaintSmurph
But Vision (nor, as I recall, the F4 at the time) couldn't have known that.Only that his powers fluctuated based on confidence.
And, they still could have attempted something.
In the scenario where it's hard to exploit a weakness, the situation is still better than saying "... yeah. So, we're pretty much screwed."
Reed: "Our subterfuge fooled him just enough to make him doubt his own power for a moment."
Reed: "All we needed was a scenario which would cause him to doubt his own abilities, so that we could strike through them."
I bet that Reed's files thoroughly explained his theory as well as how they set about exploiting it. His theory was known to Cannonball, after all.
I don't know what you would expect them to do to exploit it. Having one of their own take a dive to lead Gladiator to underestimate him would have been extremely dangerous considering Gladiator was more than willing to kill them.