I really don't care that much what other operators do, it doesn't affect me enough to be worth worrying about. (Although it would be nice if certain individuals, holding for intersection departures off 16R, would move up close enough to the holding point to be in the same postcode, and stop blocking everyone on B.
)
But this 'commercial advantage' thing? On the few occasions where we've required a longer runway, it's usually entailed a delay of 10-15 minutes. And that's just fine, we weren't requiring it in order to save time anyway. The only commercial advantage was in avoiding the potential for repair bills and bad publicity.