All five of the ones named, yes - in fact Zürich is the biggest engineering center outside the US. The majority of Google sites do engineering work.

We've banned this account for going on tilt, posting unsubstantive, flamebait comments. This is not what HN is for, and we've asked you before to observe the guidelines.

We've banned plenty of your accounts and we'll keep doing it if we must. We all have grotty chores we have to do. You always have the option to make a positive contribution.

I suppose everyone needs a hobby...

There is (used to be? I'm not sure anymore) a Maps office in Tokyo too.