After all, religious belief, church attendance and creationism are on the downswing at the same time as firm belief in the Theory of Evolution is on the downswing

Yes, I find that really interesting, and it does put paid to simplistic, zero-sum ideas about a religion vs atheism "war".

To suggest that in the absence of absolute certainties everything has equal value in the marketplace of ideas is pernicious

And absurd! It's not like they actually want schools teaching ALL the alternative ideas, just their ones.