then some other engineers should at least write a damn email to their manager saying 'someone suggested doing this, on enquiry others report having been told it is allowable here, so please clarify if there is a dispensation that allows it given that the airport policy adds (5, 10, 15 minutes) per departure?
I am pretty sure there is a reporting system required as part of the SMS set up specifically for things like this. I imagine that all the companies involved comply with the requirements.