So this confirms what all expected:
BBC News - IAG receives approval for BMI purchase
They report that BA give up 14 slots but do not say if that is 14 pairs. If it's only 14, then they have the bargain of the decade! Even 14 pairs would be worth it.
Thus, Sir Michael who so desperately wanted to prevent BA and/or VS from getting his airline, that he sold it to LH and now ... that's what the worst recession in 70 years can do.