I actually had a perfectly cordial conversation with the manager this afternoon. She agreed that a repair like this was fine if I had damaged the bag myself, but not acceptable since the bag had come to me originally defective. Fortunately she had seen the skipped stitches prior to sending it to BH. She said she'd want the bag perfect to start with also.
I'm returning it and will either get a credit, or she said she'll return it to Paris and get another just like it.
Easy, breezy.
Thanks for all your help. I'm so glad to know that H stands behind its quality, even when they make the very rare error.
That's great to hear, I like your manager.