That is interesting, however this mod only modifies technology connections, not their costs.
In that specific image, I'm guessing that's just how SE or AAI Loaders handles the technology, whether that's an intended thing or automatic.
The other thing to consider is that if I were to "fix" that, it would have to be a generic solution, which means I would have to detect whether something was accidentally or purposefully missing a science pack, and that's pretty much impossible without hard coding things, and I'm trying to avoid that.
The other way around though, if a technology requires a science pack that it doesn't have as a prerequisite technology, my mod will add that connection.
Maybe it's worth bringing up with Earendel, since that specific interaction looks like it's from SE and AAI Loaders, of which he made both.