This was one of the ideas backed by the DQMH Trusted Advisors for the next DQMH release (post 5.0 release).
When I need one of the reply payload values of a Request and Wait for Reply VI, I need to unbundle 100% of the time. What if the Request and Wait for Reply VI output the reply payload elements individually on the VI conpane so I don't need to unbundle? I often make this change manually to my Request and Wait for Reply VIs. And I never unbundle the error from the payload, since it's already merged into the error stream inside the VI. So I wouldn't expect that output to be on the conpane. But all the other payload parameters, you betcha!