Ugh. I would hate that too. When my H would send texts along those lines I would just want to scream at him "Then why are you doing this!!!"
I think that I would answer her direct questions and ignore the rest of it. Its good that she misses it. She is seeing how the choice that was supposed to improve her life and fix everything is not working out like she planned. When her fantasy falls apart hopefully she will know what she needs to do.
Mort Fertel says that you need to be well positioned when she is ready to come home. Dont change the locks, dont make her feel unwelcome, dont get rid of her stuff. Its anti-DBing almost, but hes a very successful MC also.
So, I dont know, but I think that its useful to look at more than one philosophy.
I guess I gave the wrong finger to the wrong man...