> I seriously doubt Apple would move to Bing by default, even if there were some short term monetary gain. Using a subpar/cluttered search interface is so far off from their brand image.

> I find it 10x more likely Apple would suddenly find the motivation to make their own search engine if forced to end their deal with Google.

I find it 10x more likely that in such case they would use white label Bing and do front-end on their own.