This just really cracks me up after a long work day. Even though it seems to miss the point. Still super hilarious to me. Not sure why.
My simplistic interpretation of what Rob Watts and John Franks have been saying is this. If you build a DAC (Pulse Array + other design aspects) that is innately significantly more immune to jitter than any other DAC designs, a great clock that's good enough would be perfect. If you build a DAC that is innately more susceptible to jitter, you may try to get some sort of super clock to minimize the jitter. However, since you're not sure what you're doing, at some point, your super duper clock is not really helping with jitter and is just injecting noise into the system and altering the sound that you may think is better.
With all that said, still a hilarious joke.