but once this decision was made, player influence on the story was illusory.
Oh, absolutely - the last six-to-nine months of the Azimuth story were definitely on rails in the strict terms of "would the Proteus Wave get built and fired?" - and I agree that it's quite possible that had players supported Aegis to take control of the Proteus site and/or Tanner to attack Taurus, it would still have been fired, just not in the same circumstances or at the same targets. But there's a big spectrum between "all player actions are irrelevant to the outcome" and "players have total control over the narrative".
The NMLA arc - which didn't require anywhere near as much investment in new feature development - I think had far more branching possibilities as a result:
- Antal vs Sirius to host the peace conference: it's going to get interrupted by the Nine Martyr's attack either way, of course, but note that since Sirius' victory they've played a pretty substantial role and Antal has made two or three background remarks to Galnet to remind people he's alive.
- first battle of Muhdrid: first chance to actually support the NMLA, if players had shown significant support for the side offering to bring down the superpowers, expose their conspiracies, free the people, etc. (and hey, it worked pretty well for Salome, right? [1]) then that might have gone somewhere
- Hadrian Duval framed: Galnet outright said - with what I read as some disappointment - that if he'd been captured an inter-superpower war was a possibility
- Marlinist BGS adoption and victory: I think they'd have had great difficulty portraying the colonies as self-sufficient and politically viable without this; but then, if they hadn't got that visible player backing, no-one would have really cared if the end of the arc had them return to the Empire anyway.
- Marlinist ambassador election: if the NMLA had got a rep onto the Senate, they might have been able to shut down the joint task force before they could expose the involvement of Imperial Intelligence. Fairfax would obviously have survived, too.
- second battle of Muhdrid: it's pretty much over by now for them, but we could have let Theta Seven escape to be a recurring antagonist at least.
And in the more minor arcs I think there's been even more choice. Rochester got locked up rather than providing a third power base in the Federation - so now Rackham is filling that gap on behalf of a different conspiracy; Grom escaped immediately rather than potentially a whole story arc around his capture; no-one particularly cared about Torval's mining endeavours, so even though they were mostly successful that storyline hasn't really gone anywhere; the breakaway Federal factions didn't attract any significant public support post-independence - and lots were quietly stomped down by Federal loyalists - so the Federation just collapses the usual way.
[1] It is pretty amusing how much "designated protagonist" turns out to work on players. Without that, anyone trying to bring down the superpowers gets "What - apart from killing your family, torturing you, oppressing your entire system and committing genocide - have the superpowers ever done to deserve you attacking them? Die, criminal scum!"