While the metaphor is correct.
(House(kitchen ( bathroom (bedroom))))
Surely the meaningful part of a house, or lisp, is everything else.
(((()))) Is neither a house nor lisp.
Yes it probably is, but the meaningful part is the nothing that's in there, not the parens surrounding the nothing.
A house isn't just 4 walls. It's where you live, surely that's the important part.
I'll stop getting philosophical with throwaway comments now.