C.F.,
You go too far if you believe that there aren't secular Jews (and Christians) that would like nothing more than to see the utmost (as you term it) 'application of violence' on the koranimal enemy.
Conversely, you'd also be mistaken if you believe that there aren't religious or observant people that would be merciful to the most evil enemy imaginable.
The religious are not all immune from the abhorrent post-modernistic cultural and moral relativism that you rightfully condemn, nor are the secular all infected with this miasma of insanity.
However, as a generality what you say is, in fact, true.
Maybe religious people understand better than their secular counterparts that, at heart, the conflict in Israel (and in many other places around the world) is not solely about land - but is in fact a religious war. Maybe religious people have a better sense of right and wrong, good and evil than secular people do. Maybe religious people, as a rule, are more principled, disciplined and committed than seculars.
I think a good case can be made for all of the above.
So while your premise about secular people isn't universally true - as far as generalizations go - it is a good and accurate one.