Well I disagree with all of you who claim that this was unjustified banning of something innovative. I imagine the trailing edge of these fins was really sharp and could really kill a driver in case it breaks off (for any reason).
However, I would not be myself if I did not have any critics, and therefore I really think the FIA should have banned it straight away like they did with the Arrows wing at Monaco a few years ago (this sounds suspiciously identical to that Renault mass damper).
As for Jacques Hockenheim race though, the problem might have been this new front wing, as he did not complain of oversteer in earlier sessions during the weekend.
@slimjim: welcome to this forum!
@reca: why does your car have a Honda airbox wing?