Why does he bow?

Many people complained when they saw pictures like this one of Obama ad-Dajjal bowing to a foreign leader:

Perhaps the reason he bows is contained in the following scripture:

But he that is greatest among you shall be your servant.
And whosoever shall exalt himself shall be abased; and he that shall humble himself shall be exalted.

Matthew 23:11-12 (KJV)

One would think that American Christians would know this. Apparently they do not.

Or perhaps they just don't believe what Jesus told his disciples.