The mysterious thing about activists at Google is the overestimation of their importance to the company. There are many many smart programmers in the world, if these activists quit en-mass, it will do exactly $0 damage to Google's bottom line.
It's important for Google to rightfully emerge from this as a centrist, logical, evidence based company that isn't a breeding ground from mindless activism, as that Avatar has already cost it tens of billions in revenue, and is probably driving away centrist, smart programmers from being employed there