Shrinking Buyers Premium ?

[Snapolit1]

Nothing about my original question had anything to with how this would affect or not affect my potential buying activities. I just asked why AH's don't do it to for their own economic reasons. I then got 15 responses saying who the hell cares and why would it matter to me as a buyer. And then a 5 minutes internet search reveals that Sotherbys does exactly what I suggested. And more why would I care responses.

But, hey guys, I get it. You personally don't care about the buyer's commission. We've all sort of heard that. Many times. Sort of a bit of a broken record at this point. Believe it or not, there was a different question on the table. For some reason Sotherbys believes it is in their interest to have a declining commission rate. Of course Christies does the same thing. Curious why they have a business model different than in our little world.