Wowww... I'm surprised the majority voted for the last option.
Can you tell me why is the idea crazy and don't make sense?
In terms of organisation, it makes sense... all the camera stuff are put together and camera bag is also camera stuff. Dry cabinet is just a cabinet with controlled humidity.
If you have been carrying your bag around with dust/hairs etc on it, I wouldn't want to put that together with my camea gear hor........