The lefitst-liberal, secular "Jews" will cease to exist as an identifiable part of Judaism/Jewry.
It's the pious (and notably fertile) community of Orthodox Jews that will be the future of the chosen people.
I wonder if the author has actually been to Israel lately. A good friend of mine is a Russian Jew, and he swears the best pork chops he's ever had were in Tel Aviv. The secular wave is NOT confined to Europe or the US - it is pervasive in Israel as well.