Also I've painted a few plastic things with regular nail polish in the past, I didn't notice any melting. Probably depends on the type of plastic & how much acetone is in the polish
Just to interdict with a fact check here concerning my own home turf.
Regarding the "Gatwick Incident" (2018). It was proved that there was not one single "rogue drone" piloted by either a bonehead or malicious individual that set this incident...