I totally understand your position on the matter, just thought I would input some things I have noticed while using your plugin....

The most recent experimentation I have done shows that actually...when you set the contact polling period to -1, those google contacts actually disappear, and subsequent IM's do not appear as the Name from the google contact, just as their phone number, which is unfortunate. I am going to see what setting the poll to 24hrs*365(8760) does...though i think it likely every disconnect and reconnect will re-split the contacts again.

In anycase, use of the plugin has become indispensable to me, I save tons of money