All joking aside, judging from the OP's posts, it's quite apparent that the OP has entrenched himself and refuses to believe any other alternative plausible explanation other than the seller must be a scammer. The more he says so, the bigger the hole he digs for himself. That mindset is quite sad.
Could the seller have sent a quick text as an update? Sure, but who are we to judge the seller's priorities as he's rushing to the hospital for the birth of his child and dealing with everything thereafter. Secondly, if his fiance's brother was browsing e90post, that solves the "lurking online" issue.