Forum Moderators: skibum
I do remember one occasion where I found something, by chance, on a website that clearly belonged to a really unpleasant character: rather than purchase by him, I went to another browser and found the product at the 'parent' site.
I dd that once - and i still remember it purely because it was so exceptional. I didn't need a toolbar or wahtever; I knew he was an affiliate (you usually do!).
I am sure there are some control freaks who'd love the abilities you discuss - but for most of us, if the price is the same, we really aren't too fussed how Amazon (etc) do business.
So to get me to make a detour in order to support some third party just who has branded himself as "someone people want to pay" seems like a stretch.
If someone wants to do that when they buy stuff they can signup with a rebate site that enables donations to various places.