Add me to the list of the disappointed!
Is anything really served by omitting definitions and real word counts, except to mystify solvers in a way which is easy for the compiler but gives no sense of fun and satisfaction to the solver?
Ditto the 'theme' of 16A. It gets a big, fat "So what?" from me too. For a while I didn't solve 16A, though I was on the right lines - but I was trying to think of a 15-letter word until I saw the hints here - and I wondered if 'displayed in all other solutions' meant that the others contained only letters from that 15-letter word. It looked likely for a while, and led me down a few wrong paths.
I've only just started this - well, apart from taking a quick look in the early hours because I remembered (a) that it was Genius day and (b) that we bought a cheapo tablet some months ago, and I might be able to actually see the crossword and fill it in - nope, not on Android/Chrome I can't. Then at lunchtime I tried on my computer but one printer ink had run out, and the printer wouldn't play nicely even though I didn't need that cartridge for the crossword. So I had to go to the library and print it - hence the late start. (And the Java version never worked, though it failed in a different way on each of the 3 devices - well done, Grauniad, love you but that's a bit pants.)
Anyway... I'm a little over halfway done and I'm giving up because Crucible has managed to remove a big part of the fun of doing a crossword. It's one-up from guessing words at random, but I want a bit more than that, especially from the Genius. I want to feel the setter put as much effort in as I am, if not a lot more. I'm feeling a bit short-changed.
And I'm not even feeling grumpy. Really.