A question for thought

In his book, The hidden face of god, Friedman writes, and I want it to be the subject of discussion

Moralities were constructed in association with deities for millenia.
How is it possible to construct any morality that will have substantial acceptance in the absence of appeal to a god?

He says elsewhere

The moral debates of this generation have the unfortunate, absurd, frustrating, annoying quality that, frequently, the two sides do not engage one another.
[…] few on either side argue head on the validity of each other’s moral starting point.  They concentrate more on the opponent’s last claim or they challenge his or her statical points.

What are your views?
And while you are at it, a meditation on death