Earlier quoted context omitted.
The point of the protest isn't to destroy a person's life, the point of the protest is to (1) make Google's employees reluctant to continue being Google's employees and as a result (2) make Google rethink their official and unofficial policies, in order to (3) make the world a better place. AFAIK, they haven't really hurt anybody (this time). They are just pressing the points that (they think will) hurt the most.
They haven't really hurt anybody physically this time would be a more accurate way to put it. Its hard to imagine that he and his family aren't going to be up late nights worrying about what comes next. I'm truly stunned to see folks on hn defending this behavior.
Of course, they're also utterly ignorant of history, or they'd know what happens, in a revolution, to people who consider themselves on the "right side of history", but are found insufficiently so by those to whom all weapons are friends. Little Dantons, all of them! -- and I'd be perfectly sanguine about the sanguinary fate to which they'd unknowingly consign themselves, did it not take such enormities to slake the thirst of the mob; one of the Terror's distinguishing characteristics, after all, is that it is always so very hard to steer.