It may be that the bidder is an affiliate that gets a commission on your purchase, not the brand owner. They're just trying to get last click on the thing you w

It may be that the bidder is an affiliate that gets a commission on your purchase, not the brand owner. They're just trying to get last click on the thing you were about to buy anyway. I worked in AdWords 12 years ago and this was dominant. Not sure how it is today.