Melech David had an army, was he wrong?
We see what happens in the middle east in the last 50 years. Hazen Ish didn’t. Thinking that yishuv would have survived Arafat, Hafez Asad, Aytollahs, ISIS is not very believable..
So if we agree that some army is needed, form the one that will do the job properly if you are not happy with tzahal