Many different constructors have written to me about a HIDDEN GEM idea, but it's usually with hiding the word as in SAGO PALM. ...
read moreMany different constructors have written to me about a HIDDEN GEM idea, but it's usually with hiding the word as in SAGO PALM. Interesting to see the different interpretation today, gems spread out through a word or phrase. I really liked PAPER AIRPLANE, as it reminded me of the days I was shuttled off to Chinese school on Friday nights. Not sure what my parents were expecting, but I did learn to make some great PAPER AIRPLANES, spitwads, and other prankish devices. Mischief managed!

Will doesn't often take themes dependent on single words, as they tend not to be as interesting as multi-word phrases. Multi-word phrases also help distinguish "good" crosswords from "crapwords" (that's a technical term) in little local newspapers, as those tend to feel dictionary-generated. I did like JEOPARDIZE and PRESUMABLY, but not nearly as much as PAPER AIRPLANE.
I liked John's NE corner, that beautiful stack of AMYGDALA / POSEIDON (love me some mythology!) / AUTOZONE. I typically would use more black squares in a region like this, because it's so hard to execute on it cleanly and with sparkle. John does need a CYSTS (a bit icky) and LTS, ENE, but I thought it was well worth it.
I thought the opposite corner didn't come out as well. See all those answers that have to work through / next to PAPER AIRPLANE and PRESUMABLY? It's a pretty good triple of PARROTED / ANNE RICE / PEASANTS, but all those constraints force an ORA right in the stack. Then a RECTO and ID EST down below. And there's EMS (admittedly more minor) and the outdated ERES TU. All in all, not bad, but not nearly as strong as the NE corner.
Overall, HIDDEN GEM didn't quite resonate with me as a theme rationale here. The circled letters aren't really hiding anything at all, TOPAZ et al. popping right out. That'll play well with some solvers wanting a more straightforward puzzle, but I like having to work harder to get an a-ha moment at the end of a puzzle. I did appreciate that the large quantity of interesting mid-to-long fill helped keep my attention, though.