I did eventually get some helpful critique, most of it from the group's founder (now founder emeritus), Randy Henderson.
Randy, who refers to himself as a relapsed sarcasm addict, writes, as you might guess, darkly humorous fiction. His novel Finn Fancy Necromancy, coming this year from the major fantasy publisher TOR, won the Writers of the Future 2014 Golden Pen Grand Prize.
He also writes incredibly useful articles about the profession of writing, such as this one on setting goals. Here is an excerpt from an article on why we need scientist heroes again, as pointed as it is entertaining:
WHY WE NEED TO BE MORE SCIENTIFICAL
Just as an indication of how badly America is in need of a science image makeover, consider that the US was ranked 29th in Science and Math education behind countries like the Czech Republic, Croatia, and Liechtenstein. And before you ask, yes, Liechtenstein is a real nation, it is not a Marvel Universe invention.
And adult scientific literacy isn’t doing so well either. A recent study found, for example, that one in five American adults think that the Sun revolves around the Earth.