I think I may have been clumsy; the analogy does work in the sense that you can attempt to rid the world of an ideology by bombing those who adhere to that ideology, but often the attempt is counter productive as the adherents become more entrenched in their beliefs, become inspired by their grief and hardships.....as in Vietnam.
Most Jihad is welcome death.

Sheer numbers are the problem, the followers of Islam overwhelmingly outnumber secularist and Christians combined.