Please define what is Terrorism and how you define a terrorist?
Then we will come to the second part of your observation.
Definition of terrorist
a person who uses terrorism in the pursuit of political and religious aims:
MUQ: A terrorist is: It all depends what the colour of the cards you are playing with.
If you are American, Australian, British, New Zealander, or any one who has the same policies about Islam, it is a Muslim who becomes the terrorist.
If you are a Muslim it is someone who is not a Muslim.
The difference of a Muslim terrorist and Western Terrorist.
You kill with Allah in my mind.
We kill to send you to Allah.