I assure you that you're not the only sloppy reader
The question is if Mathias holds this title dear, or just does not bother with thinking out a perfect name suiting evreryone (won't be easy).
Personally, i think Lazarus Embedded Connector would be more understandable for newbs. But then i think there would be people who would bash it and say "`connector` is something totally else"
Or, maybe, in embedded development "GUI" has very specific sense and means not what it usually means to non-embedded programmers.