Joe has more layers to his playing than you can even imagine
I agree. But I probably risk some controversy in saying the layers tend to be exposed, in my view, outside Joe's concerts. Don't get me wrong, there are some stunning moments in all of Joe's performances and if I didn't regard him so highly as a guitarist, I wouldn't be a contributor to this forum. But I tend to find his soloing during concerts, even with all the spine-tingling, gut-wrenchingly good moments, fall within certain parameters of technique and tone. There are exquisite bends and vibrato, there are the ever-present lightning pentatonic runs, there are the Beckisms, the more punctuated finger-style stuff and I love every bit of it. It works and I never tire of it.
But you see something outside that arena/theatre environment in which he most often plays and you get a different version of Joe that makes you realise how much depth he has. Look at the Borderline show - a very different facet of Joe's playing in my view. Listen to him when he's doing clinics or demonstrating something and the stuff he plays off the cuff is so different to what we hear in the concerts. Listen to the work he did on the Carl Verheyen collaboration, as an outlier, and contrast that with RCFP, BCC and the Beth Hart work. His versatility is impressive. I get the impression that wide-ranging ability has always been there and Joe can switch aspects of his playing on and off as he pleases and emphasise certain bits of his technique to suit the situation he happens to be in.
As Joe often says, Bobkatmsu, he can only give 100% of the percentage he has to give on a given night; perhaps the Tour de Force gigs caught him with a full tank, a big rush of adrenaline and a massive desire for those shows to be the best yet. I can see why you singled out Hammersmith, I too thought he was at the peak of his enviable powers that night.