Regardless of any military tactic, strategy or border wars (And I mean ANY) Islam will win through the loins of their women.
If we were to somehow “wipe them out” their kids will need to be dealt with for more than a 100 years - possibly with a second pass at wiping them out.
Birthrates are in a steep decline in the Islamic world, with a few exceptions (Yemen, Pakistan, “Palestine”), but the birthrates of American and European liberals are almost zero. The future belongs to those who show up.