I had an offer similar to that, but worse, on my Panama trip in April. They offered me about the same amount to go from Prime Verandah to inside. Needless to say I ignored that offer.
When the numbers are very high it only transfers the wait line to the gathering spot instead of Deck2. You are escorted in the order you came, but if so many have the status there is no advantage.
Well one place to start is the cabin attendant. They are in every cabin every day and are sure to be able to smell the lingering odours. This could lead to warnings to the offenders. They may be hesitant for fear of losing any gratuities though.