Your experience doesn't match my experience at all. I've shot hundreds of photos consecutively no issues whatsoever.
Heat is generated from within the camera and if the body and packaging are not efficient at transferring heat out of the system (which seems to be the case considering Canon's stated recovery times) then that's going to be the primary factor determining how quickly the camera heats-up (or cools down). I wouldn't expect operating the camera in a refrigerator to help much.
Hopefully Canon has been overly conservative with their internal temp limiter as some rumors have suggested might be the case.
Your experience doesn't match my experience at all. I've shot hundreds of photos consecutively no issues whatsoever. Heat is generated from within the camera and if the body and packaging are not efficient at transferring heat out of the system (which seems to be the case considering Canon's stated recovery times) then that's going to be the primary factor determining how quickly the camera heats-up (or cools down). I wouldn't expect operating the camera in a refrigerator to help much. Hopefully Canon has been overly conservative with their internal temp limiter as some rumors have suggested might be the case.