1) Those are incredibly arbitrary labels and you either know that or should know that

2) The US drone program regularly targets first aid personnel and rescuers.[0]

[0] https://www.thebureauinvestigates.com/stories/2012-02-04/cia...

What does nr. 2 have to do with anything? The fact that the US kills civilians doesn't make this more ethical.

Because the original implication was that state actors don't target civilians.