(The reaction is so visceral that General Motors found they couldn't GIVE away Vauxhalls in Australia/New Zealand in the late 1990s - having to phsysically change the badging on a shipment of ~1000 Vectras to Holden or Opel)
Not necessarily all bad. Holden badge seems to (fairly often) come with a V8 to replace whatever puny engine was in the original).