Ideally I'd like to see a third tier added to the current system.
'OCCUPIED'
System is occupied and it's outposts, stations and finally planetary bases start to go offline at a rate of one a week to simulate continued attacks, and Thargoid NPCs appear in supercruise and actively prosecute and dog anyone foolhardy enough to enter the system.
Once fully occupied, the BGS puts them into an 'expansion' state, until that new system reaches occupied status, at which point it does it again, allowing them to use the system as a staging area and creating clusters of occupied systems
This.
When I visit, say, Dav's Hope or the Jameson crash site and there are goid ships overhead, I'll be impressed.
The Bug Killer crash site was a good (missed) opportunity to test out this sort of gameplay.
Put some vauable loot in the wreckage, make the goid hostile and then we'd have to work together so that 1 person attracts the goid's attention so that somebody else can land, deploy an SRV and snaffle the loot without the goid noticing.
Even better, this stuff should involve the goid bases.
Again, stick some valuable loot inside the bases and then set it up so that when you arrive the bases launch scouts, players have to fight them off while somebody else lands and enters the base, after a few minutes a Cyclops will arrive to see what's going on and then, after few minutes, a medusa will arrive and you'd want to be gone by then.
Ideally, though, what
should be happening is that as Thargoids invade systems landable planets start to sprout valuable resources which'd encourage us to visit them.
Upon landing and deploying an SRV, it'd only be a matter of time before scouts/cyclops'/medusas show up to see who's touching their stuff.
Also, we now have these "scenarios" such as, for example, random megaships getting attacked by pirates and we're asked to assist.
Why not have similar "scenarios" where you arrive at a station or surface outpost, a goid attacks and you're invited to assist in repelling the attack?
Until the goids start showing up and interfering with our regular gameplay, they're just an abstract oddity.