I respect you Akari, but it doens't really sound like you know what you're talking about.
The fact of the matter is that breaking down components utilizes the PC's skill on the WORKBENCH, but breaking down chemicals utilizes the NPC's skill on the LABSTATION.
As an employee of Obsidian, I hardly expect an admission of responsibiliy, but your very own statement is indicative that either one or the other is in fact bugged.
More importantly, what is going to be done to rectify this 'defect' in the PC version?