We use it all the time, usually for milk (cartons), butter, cheese, chocolate and all the things you want close to hand.
Underneath it (and there's plenty of space) we keep all the fresh/raw meat, sausages etc we've bought from the nearest farm shop.
All the space in the other half of the fridge is wine (4 bottles) and a bag of cider
Salad (and there's very little of that
) goes on top of the wine bottles... it's only a garnish for the meat after all
.. crikey, never knew they existed, except in half empty full sized bottles
Worth noting that you really need a little air space in the fridge to allow the movement of cold air or you get a very distinct variation in temperature (10ºC+) between top and bottom. Also the basket, when in it's proper position (towards front of van) allows an airspace adjacent to the thermocouple so that the unit can control the temperature properly. (I wouldn't stack tupperware against this...)
Still, each to their own, for their own reasons.
HTH
Mark