I choose a different approch to analyse.
Using
Cdr Nowski´s Tool, I re-created three different (OK, low Population ~ 10-50K) existing FDev generated systems by entering the Amount, Size and Type of Stations/Settlements, Hubs etc. I found in the Sysmap.
In FDev-Systems the settlements & hubs are scattered in a wild mix throughout the system with no clear logic behind, yet the markets show goods according to general System-Stats.
Exception: Outposts with specific designation, e.g. if you have a mil-outpost in a Agri/Refinery system you also get weapons, the other outpost (industrial) has a focus on machinery etc. Both Outposts in that example had no specific surface stations on body they orbit.
Population, Security Level and Eco matched the tool.