so, did they create this thing in a lab?

they could have. if they did, they'd probably let it loose in iran first.

but, you'd think they'd be a little more efficient.

so, i'm going to classify that claim as highly doubtful. but, anybody trying to browbeat you with the idea that that's "debunked" or "wrong" should be treated as a propagandist - it's entirely plausible, in principle.