Shinozaki knows his coworkers well... and how much of a pushover he is too.
Grey is in his popular phase XD.
The explanation about how magic works in this world, kinda explains why that woman was having so much difficulty making a book that would explain the basics of magic, at its personal level... magic is an expression of one's self, so even if there are "mechanical" explanations to it, it doesn't means it will automatically help a mage develop their magic.
I like to also think that those "mechanical" explanations might be unique to
her- as in, it is how
her magic works, but maybe not other people's, since part of her desire (egoism, whatever) is wanting to be
able to explain it. Thus, an explanation that works for her exists, even if it won't work for anyone else, or even be accurate to the process at all- which would be unfortunate, considering everything. Of course, that might not be the case, or only the case for part of it (e.g., the thermodynamic transfer part, since that much seems extremely fundamental)... either way, I think it's fun to think about. For her sake I like to think she's at least half-right.