TOM,
BA and Unite are where they are. Unite caused disruption and BA handled it very well. I will not mention it again.
Now, for the future. If BA cleanse (although I do not know how) itself of these so called militants, then there will still be 11000+ crew who were there before this all started. They may not be militants, but 6000 would have voted for action. That is not a number that you can just ignore.