Yes a genuine unknown but there is evidence that personal actions have a direct effect on the BGS so it’s possible it would. 1 Cmdr once sat out and destroyed all security ships in 1 system, over the course of a few days/weeks, throwing that system into anarchy status. Do I wouldn’t rule it out, it’s just a numbers game, if your trying to flip a status it might be best to utilise more direct approach’s other than stealing / selling illegal cargos.
Oh yeah, so piracy missions
do have -ve economy effect on the target, that's known. But how much specifically? There's not much info on that.
Mission effects are tied to credit reward... there's
a bit of discussion of it here, but the skinny of it is that each mission has a calculable base credit value for a reward, and where missions involve cargo of some form (salvage, hijack, delivery, source etc) , the total credit reward is based on the value of that cargo.
So assuming a mission had a base reward package of 2m credits, ++rep and ++inf, you might get alternates like
- 1m credits, ++inf, +++++rep
- 1m credits, ++inf, ++ rep, 5xG5 materials
- 1.8m credits, ++inf, ++rep, 200k worth of commodities.
etc.
Now, transparent to that reward offer is the +/- eco/sec effects of the mission.... it's not like you get offers of 2m credits and --eco, or 1m and -----eco for a piracy mission. Given two identical missions will ultimately reward identically, it's fair to say any sec/eco effect is static.
But whether, say, a salvage mission for 1 black box has more or less sec/eco effect than a salvage mission for 4? Nobody knows.
EDIT: Given my experience is that running an assassination for 4m credits will net me a similar effect as a massacre for 50m, but the latter takes a lot longer to do, I suspect it's probably static.