Cultural synthesis is how a compromise between various opinions is worked out. But truth does not change, and truth is not arrived at by some sort of compromise.
There is no question that Israelis - indeed, all concerned Jews - have to continue to work out a Jewish public philosophy that truly justifies a Jewish state in the land of Israel.
The work of man is to respond to the Covenant by obeying the commandments of the Torah, those commandments that can be obeyed here and now.