Perfection will never be possible; even the founders sometimes disagreed on what something in the constitution “really meant.”
But that’s different from giving up on the whole idea.
How many of these geniuses in Congress have actually read all of the 77 Federalist Papers? The individual State Constitutional debates?
Sure the Constitutional isn't perfect, but everything except insanity was debated...
It didn't take 16 years to create it for no reason.
The Bill of Rights is a statement, not a statute. It can't be repealed or modified.
Starting over from scratch would work, but I hope you have lots of ammunition...