You have some good ideas, although I may not agree with all of them. Once again, the state of Israel encompasses varieties of Judaism. How you may define secular, may not be viewed the same by another group of Jews. So, who will set the common definition of secular? From the comments, many think that that Israel is already a secular state. As food for thought, was Israel established under the U.N. mandate as a Jewish State? How did the same debate, that is happening now, materialize then?
Opposition leader Isaac Herzog calls on government to allow Syrian refugees into Israel (Haaretz)
from the article: Why Israel must become a secular state: a thought for Yom Kippur 5770