Maybe, I guess it's hard to know without knowing their retention metrics. As one anecdote, I was in the negotiation phase of an Oculus offer earlier this year and turned it down the same weekend of that infamous post[1] and I know a few people in my network whose employment status has quietly changed away from Facebook.

[1] Less because I was certain they should moderate it, and more because I thought it was weak how Zuckerberg threw Jack Dorsey under the bus, and how cynically the company steers the conversation to free speech to avoid taking responsibility for the adverse effects of product decisions. artfulhippo made the point I'm trying to make up-thread: https://news.ycombinator.com/item?id=23929769