I would leave it alone. Unless she is asking for direct help with D7 there's nothing for you to respond to. Do not willingly jump aboard the crazy train!

If you feel like you absolutely have to respond, then the message you drafted sounds fine.

M: 43 H: 39
D: 14
Married 15 Together 16
BD: 6/2014
S: 8/2014
OW revealed 10/2014
Instigated dissolution 12/2014, in progress
So over it!