Yes, No one had said that Google ban bitcoin advertising. Google bans cryptocurrencies related websites advertising. They can be ICOs, gambling websites, exchanges, Lending websites, etc.
There is no bitcoin advertising to be banned. Who will pay for bitcoin advertising when there is no benefit to him/her ?
Well, most of the people affected by the headlines too much and sometimes not describe the overall news content. So, reading and understanding the news is very important, because the core of news not only can be obtained from the title.