There is a difference between creating new law or amendments to the Constitution and figuring out how the Constitution should be read. If it is obvious, then it should take little time to read the Constitution and see that fact.
OTOH we still have the state of West Virginia around even though its creation was extremely dubious constitutionally speaking. (Read, was plainly wrong.) So not all things that are obvious happen right away. (Or ever, I don't think that West Virginia will ever merge with Virginia.)
Cheers,
Ben