What are the drones really about?

Merry Christmas.....
Revelation 6:15-17
15 Then the kings of the earth, the princes, the generals, the rich, the mighty, and everyone else, both slave and free, hid in caves and among the rocks of the mountains. 16 They called to the mountains and the rocks, “Fall on us and hide us[f] from the face of him who sits on the throne and from the wrath of the Lamb! 17 For the great day of their[g] wrath has come, and who can withstand it?”