In the first place, many people are affected by the costly message since it will bother the people to use the phone. It makes the people cost much money on the payment of the message. In additional, the message is useless for the people. And it is just about the promotion so the people do not mind about the message normally. More importantly, It enforce the people to pay a huge payment. This will make a lot of potential side effect and bad impact.
Recently, Hong Kong Consumer Council makes the law. It can control and solve the problem.
All in all, peple should raise the awareness to avoid the illegal message from the company.