Originally Posted by
angatol
I don't believe for an instant that BA actually intended this kind of expiration to happen. If I were the OP, I would pursue this and request that, at the worst case, the combine my avios was reversed and the avios redeposited to the source account. I believe this is just wrong and not done by design.
Given that BA has put an explicit term in its T&Cs that this specific activity will not reset the expiration date, I cannot see any reason to think that they did not consider this scenario