You're wrong because we have a rose tinted view of cafe racers...

Say "cafe racer" and most people imagine glittering tritons and suchlike, whereas the truth 90% of the time was a leaking bodged up clunker that had been dropped (probably more than once) and had a variety of aftermarket parts fitted to look (in the eyes of the owner) "cool".
Same thing now, there are a few glittering beautifully engineered "streetfighters" and lots and lots of shoddy lashups. Just like the original cafe racers...
Getting back to the diesel chop, I deliberately didn't put my take on it to see what others thought.. I thought the riding position would be terrible until I saw the guy ride it and it actually looked quite reasonable. For me, apart from a play with the seat/bar mixture, I'd want to add a set of nice light mudguards which would work a bit, and the lightest lighting set I could lay hands on, but otherwise I thinl it makes more sense than putting the yanmar into a big heavy enfield chassis, make it as light as possible and as small as possible and make the most of the 10hp - ish(iirc?!) it produces.
As it sits I don't think I could practically use it other than as a toy, but as an engineering project I think it's glorious and was delighted to get a proper look at it. I think it brings a refreshing new take to both diesel bikes and to customs. Long live originality!!

(and it "thumps"

)