Because the Agency price-fixing model has led to eBooks not being priced by market forces but by a cartel that supplies over 90% of the existing market.
That's a bigger issue than Apple though that goes through the publishers, Apple and Amazon and isn't going to be solved by another couple of competitors who weren't really competitive.
Because the Agency price-fixing model has led to eBooks not being priced by market forces but by a cartel that supplies over 90% of the existing market.