Then they should have invited the actual experts on the topic at these companies. Google, again, says they offered someone to speak and were told it could only

Then they should have invited the actual experts on the topic at these companies. Google, again, says they offered someone to speak and were told it could only be Page. What if they told Facebook it could only be Mark and not Sheryl? Either way, if they actually wanted the CEO of Google, that happens to be Sundar Pichai, not Larry Page (he's the CEO of the holding company).