Indeed, 9/11 was 16 long years ago.   Intelligence agencies don't necessarily work what happened in the past; they tend to look at the location of current threats.   

Not being invited to classified intelligence briefings, you don't know what Intelligence knows.

In any case, it's the stuff of conspiracy theories to say that since only certain Muslim countries are singled out, is somehow evidence that the entire project must have just been a global  demonstration of racism.