The warning message costs them bandwidth too. Judging from the comments here, it costs them customers too.

They should embed their website link into the picture and write off the excess bandwidth to advertising.

If I were a retailer selling survival gear, I would be delighted to have a product linked to this forum by a happy customer. If I was the owner of Tops, I would be mortified by what is happening on this thread.

This is an example of Penny Wise, Pound Foolish.