While you can still play BioShock on
other platforms, a lot of people are going to use this as an example to not buy expensive games on iOS, and it's hard to blame them when a rogue iOS update could break everything and even a massive
multinational publisher would do nothing about it.
but the ebook market is still tiny, so any discounts would be dependent on the relative power of the companies selling physical books — and indeed
other things since the big six
publishers are owned by
multinational parent companies who sell lots of
other things via these stores.