Which is too bad, because it really encumbers implementing something truly novel. To be realistically useful, a tool needs to integrate with existing tools and standards, but that's a lot of work.
"I estimate that 90-95% of the work in Plan 9 was directly or indirectly to honor externally imposed standards." - Rob Pike, "Systems Software Research is Irrelevant" (http://www.cs.bell-labs.com/cm/cs/who/rob/utah2000.pdf)