Should hotels be fined for not posting signs prohibiting pornography and gambling?

The Law on Public Security Administration Punishment stipulates the following punishment measures involving pornography, gambling and drugs.

Those who engage in prostitution and whoring shall be detained for more than 10 and less than 15, and may be fined less than 5,000 yuan; If the circumstances are minor, they shall be detained for not more than five days or fined not more than five hundred yuan. Whoever solicits prostitutes in public places shall be detained for not more than five days or fined not more than 500 yuan.

Personnel of hotels, catering services, cultural and entertainment industries, taxi industries and other units who tip off criminals when the public security organs investigate and deal with drug abuse, gambling, prostitution and whoring activities shall be detained for more than 10 and less than 15.