Here's an older Goodereader review of the earlier Kindle WiFi (with keyboard) + special offers, from 2011:
The one I looked at reviews of and then tried to buy was the newer Kindle, Wi-Fi, 6” E Ink Display with special offers
(Google that and you get lots of informative hits and reviews), from Amazon.com, price US$79.00
, but it was only for sale in the US.
The one I ended up buying was the newer Kindle, Wi-Fi, 6” E Ink Display
(but without special offers), from Amazon.com, price US$109.00
(P&P was $12.00 extra).
So this special offers thing has been going on for over a year, with a price differential as described - i.e., significantly cheaper if you buy the special offers Kindle. Most of the reviews seemed to think it was a good deal and that Amazon were probably using it as a loss-leader.
As I wrote above:
...the adverts...were non-intrusive, and did not interfere with the reading experience - at least, not according to the detailed reviews that I read anyway.
Nor did I see in the reviews or other comments that I read that any protests/objections to the special offers scheme, and I certainly had no objections, which is why I wrote above:
I'm not sure I understand what the issue is here.