I agree with the 2/3 ratification for constitutional amendments, although there should be an additional measure to discourage the ridiculous number of amendments on a ballot.
I spent an extraordinary amount of time educating several elderly Florida voters about each of them in 2002. For goodness sakes, one of the amendments was 2/3 page long in small print. It was fraught with legalese babble, including about 6 sets of double negatives.
Amendments like that should just be rejected outright. Then its backers might get the message and come back with something simpler. Either that or they'll just try to work out their problems some other way.