Not everybody thinks it's nonsensical. Here's a different take:
If Anyone Builds It, Everyone Dies https://en.wikipedia.org/wiki/If_Anyone_Builds_It,_Everyone_...
Ok but that's a metaphor for the free market, not literal speculation about a machine.
Edit: i was mistaken and people clearly do take this seriously now. Oh dear
Yes, nonsensical people like EY don’t think it’s nonsensical.