There are two ways (optimistic, and cynical) to look at why you would want some form of labour organization, even in a situation like being a google engineer.

There are two ways (optimistic, and cynical) to look at why you would want some form of labour organization, even in a situation like being a google engineer. The optimistic view is that they believe that Google is a great place, capable of doing great things, but hamstrung by their current environment, and that giving labour a stronger voice will let Google do the great things they believe that Google can and should do. For example, they might see that management is not listening (enough) to rank and file feedback about the viability or need of different options leading to Google's endless parade of chat applications. Or they might think that Google is moving into a realm where their internal politics and decisions will begin to become ever more under public scrutiny, and that cleaning it up will lead to greater public acceptance of Google's goals. The cynical view is that cushyness can always be removed. It's always labour's interest to lock in the benefits they have. And if you could lock it in, you should.