This is a business law question

For those who draft and present standardized form contracts to the other contracting party, the parol evidence rule can be a powerful ally because it has the effect of limiting the scope of an integrated, written contract to the terms of the writing. Although statements and promises made to a person before she signs a contract might be highly influential in persuading her to enter the contract, the parol evidence rule effectively prevents these precontract com- munications from being legally enforceable. Consider also that standardized form contracts are usually drafted by, and for the benefit of, the more sophisticated and powerful party in a con- tract (e.g., the landlord rather than the tenant, the bank rather than the customer). Considering all of this, do you believe that the parol evidence rule promotes ethical behavior? For those who draft and present standardized form contracts to the other contracting party, the parol evidence rule can be a powerful ally because it has the effect of limiting the scope of an integrated, written contract to the terms of the writing. Although statements and promises made to a person before she signs a contract might be highly influential in persuading her to enter the contract, the parol evidence rule effectively prevents these precontract com- munications from being legally enforceable. Consider also that standardized form contracts are usually drafted by, and for the benefit of, the more sophisticated and powerful party in a con- tract (e.g., the landlord rather than the tenant, the bank rather than the customer). Considering all of this, do you believe that the parol evidence rule promotes ethical behavior