What does he have to do for you to decide he's unfit? Does he have to burn down the headquarters trying to light his crack pipe before you agree the sky is falling?
I'm content to reserve judgement and see what happens over the long term. Others are completely free to judge based on day-to-day drama, of course. But for their own sake I hope they keep a note of their assessments and predictions now, and check back in a few years to see how well they did.