Tell that to US Air 1549... https://en.wikipedia.org/wiki/US_Airways_Flight_1549 https://en.wikipedia.org/wiki/US_Airways_Flight_1549 Birds are still extremel

Tell that to US Air 1549... https://en.wikipedia.org/wiki/US_Airways_Flight_1549 https://en.wikipedia.org/wiki/US_Airways_Flight_1549 Birds are still extremely dangerous to airplanes so it's clear that drones (or quadcopters or whatever you want to call them) which are typically larger, heavier, and much more dense will pose issues too.