Yes, I also prefer blue ambanjas over nosy bes. To me Nosy bes are pretty plain, that is why I like ambilobe they have such a variety of color. Ambanjas also have great variety in colors.
That would defiantly suck! I find it weird that they would advertise and sell wild caught grasshoppers, unless they know there are people like us around.
That is not good that they are sleeping during the day. Can you fill this out below. It could help people that have experience breeding jacksons to see what you can change.
Chameleon Info:
Your Chameleon - The species, sex, and age of your chameleon. How long has it been in your care...
Can you post a picture? I am not a vet, but you can usually tell especially if it is advanced MBD also can you fill out a https://www.chameleonforums.com/how-ask-help-66/