Why Market Amitabha Buddha's Pureland?

The Buddhas promise to universally "market" Amitabha Buddha's Pureland to the beings of their worlds not simply because he wants them to- but because it is so excellent that the Buddhas readily agree to do it. Please do not misunderstand that that Amitabha Buddha was demanding or egoistic to the other Buddhas- as a Buddha as no ego or craving.