I don't think they really have a choice here. If you think the SEC rules on "is X a security" are broad, take a look at FINRA's rules on advertising and recomme

I don't think they really have a choice here. If you think the SEC rules on "is X a security" are broad, take a look at FINRA's rules on advertising and recommending securities. The crypto litigation mass is approaching its Schwarzschild radius... By acting as a conduit for these ICO ads, Google etc. are making themselves part of the accretion disk arond the black hole, teeing up a decade of subpoenas, complaints, etc.