Maybe she's feeling badly about not getting it done as quickly as originally planned. I don't know her situation, but if she's gone back to working outside of the home, beyond the quilting business, she's probably got her hands more than full. It's not necessarily the right thing to do, but sometimes when those things start to snowball, folks just stick their head in the sand and feel guilty. (Please realize, I'm only saying this because I've been in a similar situation.) In the long run, that only makes it worse, but at the time... Well, you get the idea.
I only had one interaction with CQ - she did a quilt for me, and did a beautiful job. I hope she's well and realizes that most people are more concerned about her than how quickly the blocks that were donated get made into the quilt. There will always be a need for it, so when she does get it done (I'm sure she will), it will still be put to good use.