Yours matches the commentary of a friend in the field from about 2000. I do hope that the end of Moore sees improvement in this sort of design, and the tools required.
I do see some high speed low power networking hardware moving this way: Router Using Quasi-Delay-Insensitive Asynchronous Design
I do see some high speed low power networking hardware moving this way: Router Using Quasi-Delay-Insensitive Asynchronous Design
https://dl.acm.org/citation.cfm?id=2634996&preflayout=flat