A corporation may not be the best place to bring up these topics, if your goal is to avoid getting fired. Otherwise, it is a place full of smart engineers and the guy probably had some fantasy that he can have a constructive conversation in a corporate setting about a policy which Google as a corporation faces external and internal pressure about.
But as far as receptiveness, yes Google was a great venue for this, given who works there. Do you think hacker news is a better venue in that respect?
Even on this very board, that same exact seemingly harmless claim, given and elaborated on in a talk about men and women given by a professor of psychology at FSU, was downvoted and bashed in a TL;DR manner:
https://news.ycombinator.com/item?id=11844777
It fared better a year ago, but not by much:
https://news.ycombinator.com/item?id=8909954
EDIT: curious, why the downvotes?