How to vote if this was useful?

I'm torn about voting whether this recording was useful or not.

I thoroughly enjoyed it in a UL kind of way.  I feel good about the progress the world is making.  It's useful in a way that it makes me feel good.

But I'm not in the medical profession, so can I usefully apply the information in this video?  Not really.  So the video in a UR sense is not useful to me.

Is anyone else having this difficulty?  Should there be two votes?  One for the UL and one for the UR?  The UL question might not be if it was useful, but if it was enjoyable, or worthwhile.  In that sense, it was.

Any suggestions on how I should vote?  I run into this problem on every recording.  "Useful" seems to  have a strong UR bias, and I tend to vote no just because I don't find the information useful, and not because I enjoyed the piece.  What do you folks do?

I'm for a four quadrant voting system.  That would force us to apply AQAL and sharpen our skills.