Those are definitely not LTA's, I keep them and they have very different habits. Those are for sure BTA's.
Regarding the lack of bubbles, no one knows why some do and some don't. My personal guess is that they look like this in sub-par conditions, but there are many people who keep them in big ol' reef tanks, and they still don't bubble. That light is definitely not strong enough though! She needs to at least max it out, At most get an AI prime or the like.
If I were her, I would definitely go back to the LFS and ask them about the mislabeling, that could be a bit hazardous.