Don't underestimate Jobs's willingness to be a petty asshole. At that time, Yahoo was still in play and Apple could even have been willing to back MSN. History

Don't underestimate Jobs's willingness to be a petty asshole. At that time, Yahoo was still in play and Apple could even have been willing to back MSN. History might have played out very differently if most search traffic from the Apple platform was going through MSN instead of Google.