7 pages later and we still can't all agree that:

1. Use your exterior lights when you are on the runway to increase safety.

2. Don't blind another crew unless you really think that your taxi/landing lights will be beneficial even when you perpendicular to the runway.

3. If another crew forgets about rule 2 due to any number of other more important things they are doing (or maybe they had a brain fart), don't retaliate.