[mkautzm]

Then why write it at all?

The entire piece is structured as a piece to inform. It's not written as a piece to entertain -- That structure would include things like anecdotes, stories, little events that happened that reinforce or express a point, e.g. "This one time Sam really did a bad job fixing his car and...".

The piece is clearly a piece to inform. Yes, he acknowledges his affluence at the very beginning, but that doesn't mean he's aware of what a 'normal' income is and the problems and struggles that entails or his circumstance is wildly different than that of the average family.

[s_m_t]

Maybe they are writing it for other affluent families? Plenty of affluent families manage to mess up raising their kids, this one seemed to do something right.

[madmaniak]

That's how I see it.