Do bank cardholders have the right to refuse "commercial text messages"?

Can refuse.

Banks can send cardholders information on transfers, payments, balance changes, transfer arrivals, and other core contract purposes with cardholders. The commercial information beyond this has exceeded the purpose of contracting consumption between the cardholder and the bank, and the bank needs to sign a new contract with the cardholder to agree.

The behavior of banks sending commercial information is essentially commercial advertising. Banks that send commercial information to cardholders’ mobile phones beyond the purpose of entering into a contract with cardholders must obtain the cardholder’s consent. From a contractual perspective, the act of unilaterally sending commercial information is a unilateral change of the contract by the bank. Once a contract is reached, both parties must abide by it. If one party to the contract wants to change the original contract, the other party's cardholder's consent is required. The contract cannot be changed unilaterally, nor can one party take advantage of its dominance and abuse its monopoly advantage.