Well...
The only "upgrade" I can see is that Adword customer will now be and to phone Google at a reasonable local time instead of having to wait for someone in Ireland to get to the office at a 10-or-11 hour time difference.
One of the anchor-tenants of what was formerly the Irish economic miracle, Google, is moving the administration of Australian AdWords customers to Singapore. In what could be interpreted as a corporate bet on the future of Ireland’s low corporate taxes, the Chocolate Factory told Australian customers of the change on Tuesday …
Firstly, as a shareholder, either directly or though pension plans, I would expect any company to pay no tax it need not pay. The last organisation I expect to use money wisely is government.
Secondly, when did it become the corporate world's responsibility to harmonise the international tax regime. Following your logic Google would never have set up in Ireland as it is a US company. I'm sure the Irish would be as pleased with that policy as Google current move.