Why this is unlikely to affect the outcome of the MH370 search
If this really is a flaperon from MH370, and that remains to be confirmed, then it’s good news in a way because we could use wind and current data for the Indian ocean to determine where it might have gone into the water. That in turn could be used to update a probability map of where we think it most likely that MH370 went down by adjusting our prior probabilities in the Bayesian search strategy. In other words, all the information we have could be fruitfully integrated into our search strategy.
Well… perhaps it could, if the ATSB were actually applying a Bayesian search strategy, but apparently they’re not. So we’re unlikely to get the most out of this piece of evidence. The only upside that I see to this is that it should shutdown most of the conspiracy nut jobs who reckoned MH370 had been spirited away to North Korea or some such. :)