We can occasionally slip with a 3 and a Quarter, or a 2 and a Quarter, but that's about it. Like Frank said, we get spanked otherwise.
As far as the gent with the Roman Numerals is concerned, as was stated before, the challenges we face today are much different than the challenges faced 35-40 years ago.
Back then, you had to scramble to see if anyone was available. Now, we have to scramble to make sure we're sending the right units to emergencies via the SOC Matrix, or that CIDS is read to the FAST Truck on a 10-75, or that all notifications are made on a 10-45. If you could see the mounds of paperwork promulgated by those "Greatest Dispatchers" who are still in the job from back then, and some of their predecessors, it would make your head spin.
Don't get me wrong, I have nothing but the utmost respect for those who came before me. I would have loved to have either been alive during those days, just to experience it first hand, or, been a fly on the wall in a few other situations.