You would very much understand if you would take the time to read a true translation of the Holy Koran.
It is not what or how you or I think and believe that matters in this case.
It is what those true believers in the Muslim world believe and think that does very much matter.
The translations of the Holy Quran being sold to non Muslims have been altered to make Islam look like a religion of peace.
In our world what we call terrorism, in their world is just Muslims doing as the Holy Quran commands them.
https://www.gutenberg.org/ebooks/16955 This is a link to a free book on Gutenberg.org, three translations by 3 Imams of the Holy Quran side by side.
Remember in one memorable scene, one of Scott's lines says it all: As Patton surveys the positive results of the battle in progress between Allied forces and the Nazi army in northern Africa, he proclaims, “Rommel, you magnificent bastard, I read your book!”
Every non Muslim needs to read the book.
Until they do, and then behave accordingly, this madness will never end.
I understand a lot of things.
I know that ketchup on steak is a bad choice.
I know that cancer is bad.
I know that variable ARM mortgages are risky.
I know that the Lord is my savior.
I know that Islam is wholly evil.
I also know that none of these things have anything to do with the question at hand.