In the end you save money, get some financial security and stop asking yourself “do I know what i’m doing?”
But what I've noticed is with slow, steady investing is that it really snowballs. It's not long before you look at your returns and notice that you made more from your investments that year than you did your salary.
It should resonate with the HN crowd as it starts from the basics and builds up a strategy. Very understandable. It then uses that to help you build an overall investment strategy.
Bernstein is in line with the Boglehead investing theory. Own the market, don't try and beat it.
It has served me very well.
And no, I went with an index investment strategy, not trying to beat the market. But it really helps to understand why index investing is a good choice.