Those devices are also used by us. Some who work in government (civilian and military), and for defense contractors, banks, pharmaceutical companies, utility companies etc..
You want them compromised too?
It’s a double edged sword. Kinda like the 2A. Bad people do bad things with guns. Let’s let government control them all.
It is clearly a national security issue. We know who the phone belonged to and what they did, i.e., they killed 14 Americans and wounded 30 others. Did they act alone? Were they part of a terror network? Are other attacks planned? This is not about privacy. It is about gathering intelligence data from known terrorists. Again, a sad commentary on how low we have sunk as a nation.