Netizens criticize local TV stations for being flooded with fake medicine ads. Is this widespread, and why do bans keep failing?

网友吐槽各大地方台充斥着虚假卖药广告，是普遍现象吗？电视台广告审查机制是怎样的，为何屡禁不止？

A public trend signal observed across 1 source.