But the ones drafting the documents aren't the ones fighting for the contract in court, the one who drafted slopping is happily on to the next unsuspecting client, while you bear the cost of fighting with and paying for a brand new lawyer in the courts.

There aren't any good processes that are accessible to sue lawyers for malpractice like there are for doctors and other professions, their negligence can cause entire companies to go down, but the perpetrators almost never get to pay the price.