What makes you think they have not done that already and what we are seeing is not their desired state of affairs? It's not that Zuckerberg or Brin, for example

What makes you think they have not done that already and what we are seeing is not their desired state of affairs? It's not that Zuckerberg or Brin, for example, take BART or need to fend off the deranged junkie who camps in the entrance to their apartment every night.