Bol zup Fascinating insight into the workings at DTV. At first glance it even appears busy 'aircraft 4' !
Anyhow clearly your DTV air traffic knowledge is commendable and way ahead of mine. You have certainly put a case for an improved taxiway from the ATC perspective, still unconvinced that it adds sufficient to the business case unless sufficient commercial traffic volume is present. We then get back into the circle of attracting the aircraft to bring the pax to pay for the taxiway to attract the aircraft....