Maybe we should consider this a chaos monkey test rather than castigating Amazon.
If Amazon can accidentally take down internet in a large area with a cheap commercial drone... what can a genuine bad actor do with a few thousand of these. If this is any indicator, half the country is going to be blind and deaf in the first day of a Taiwan war, it's going to be be over before we even get back online.
the ukrainians destroyed hundred million dollar russian bombers with a drone attack in July. drone warfare is very much on-the-radar