Yes, and my assumption is that light-years long jets of plasma shot out both ends of a black hole will be fairly unobtainable in any practical way. At the same

Yes, and my assumption is that light-years long jets of plasma shot out both ends of a black hole will be fairly unobtainable in any practical way. At the same time, the energy levels involved would be massively useful if they could be harnessed. So, we have a potentially valuable resource that is difficult-to-impossible to obtain. Pretty much the canonical use of the term unobtainium. So my post was a bit snarky, but also likely accurate