I think the start can be brushed off a bit, sometimes you just sit in the wrong place and can´t do anything about it.
but the spin, that was ambitious since he probably was the only driver to be that aggressive out of last corner.
Hamilton even commented on it and just sat and waited for something to happen since he could see the spray getting kicked up everytime Vettel went out there.
But i would not take anything away from Vettel with that spin. He was pushing like crazy and he just went over the limit a tiny bit and lost it.
It happens sometimes.