Players would still spawn it in any place they want or forget to set the restriction. We could do something else I believe. For example, we could add the location of the truck in the spawn panel so when any officer decides to use the MCC truck would know it’s location. I’m not talking about the full location, just something small. Could even state the Armed Robbery or Criminal event if it’s in the area.
Sounds more like a "I don't like people using my MCC because I'm selfish and want to get the spawn only for myself" issue.
Currently, Everyone with police job can spawn to the MPCC truck neither the MCC is locked or non-FMSG friends. If the law group is using the truck during training, other non-related police may select the MCC truck which may be far away from the criminal event location.