We can jettison everything but the founding documents..
Legacy law can then be gradually re-considered and used if approved in the normal fashion by congress.
There will need to be several new amendments done by convention so the effect is immediate, and I would completely sack the entire education system, rebuilding from scratch..
Might take years to do it but it took 50 years to destroy it.
A complex society dependent on technological help is not going to be able to do something like that unless it wants to go back to sticks and stones. Satisfaction with 1776-era standards is pretty well kaput today.
A change in the character of the stewards is the right thing in the long run. And that can’t be forced, for we are the stewards. That has to be invited by faith into the stewards.