Playing out as Naval Ravikant predicted on the After-on podcast: https://after-on.com/episodes-31-60/044 Eventually cheap drones, anonymous assassination markets, etc. will make commercial flying a thing of the past. Written summary of podcast - https://podcastnotes.org/2019/03/20/after-on-naval-01/
Today it's basically a week-long project to train a neural network to fly towards a jet engine in a 3D simulation. Then you just need to hook that to the drone control software. No amount of jamming helps you here, this is radio control off, GPS off, entirely visual "guided missile" approach. And this approach scales, with 20 drones, 2 drones assigned to each engine, you can engage 5 taking off planes in a row off a…
where this works really, really well is with boats. Iran did this with 15m RHIBs.
I work on these problems directly. Its scarey but mostly because we're not thinking about it, not because it's something we can't prevent. Don't get me started on all the truly horrifying things commercial drones are capable of even worse than airline terror.