Following the lead of Facebook, Google found suspending accounts, funds relating to ICO. Google's adword platfrom was one of the prime choice of ICO and now it's getting ever more difficult for Project to get places to advertise.
The day seems not far facebook and twitter blocking the post links related to ICO.
It is because of the scammers all over the internet. Scammers are creating fake project for them to earn money. The reason why the google and the facebook ban cryptocurrency ads is because they only want to protect their customers.