I'm more used to corporate rates that remove the destination fee, and hence "exempt" means you don't get the benefits, but get to save the (I typically agree), "rip-off", is a significant benefit. But I don't expect to be using those benefits, as I guess the general reason is that on a business trip I don't need to be using a bike, museum visit etc. Hence I believe the hotel is right to say exempt == no benefits either, as that is the standard, and the precedent to build on, and this is how I would interpret the rate as well.

But, if woodcmfr feels strongly they they want a certain item within the destination fee, I would just pick up directly with the GM at the hotel and say "hey I am a loyal guest, can you give me X" (where X is the benefit you really want, say the bikes)" as a goodwill gesture. But I feel it would be unlikely that you can get your cake and eat it, i.e. I am sure the hotel will let you pay the fee and get the benefits, but it is unlikely you will get the full value, that's why people dislike these fees.