Millions of Aliens Invade Earth But Turn Into Ashes in Seconds | Best HFY Stories 

The story did not follow. It jumped from act 3 to act two, a few times. Did not bother to explain reasons. Your question could be answered. “For safety the nanites only scan, copy weaknesses of new races. But i need to use this machine to confirm it’s an enemy, the method to attack so it dies not destroy friendly aliens”. Then fix repeats, or have it from clearly different point of view at same time.

i think this channel uses a dyslexic AI, the owner can't speak English, has no understanding of western culture or basic common sense. probably uses google translate

You missed one. First said not even dust remains then said Zorax was reduced to dust.