Also, I find the notion that "Voyager didn't adapt to the TV landscape" argument rather dubious. There weren't much dramas of the typically serialised variety on American television in 1994, and even by 2001 the examples were limited to a small handful of the Buffy/Charmed/BSG variety (it was accepted, but hardly widespread). It wasn't like Voyager was flying through a TV landscape littered with serialised shows the likes of which we take for granted as 'normal' today.
All your examples are sci-fi - what about other shows? "E.R" started in 1994 and definitely changed the landscape of (US) television.
Michael Piller was definitely ahead of the curve. It was him that really pushed for longer story arcs, like the Kazon/Paris as traitor thing. Regardless of what you thought about that particular arc, it's clear Piller was championing a different way of doing things.
It wasn't just the 'serialisation' of shows that Voyager failed to act upon though. Just the pacing of a TV show had changed by the mid-90s. I love TNG, but the sheer length of some of those plodding scenes is hard work, and the way shots were framed (one character close up, another character close up, back to first character etc) - almost like watching a stage play. Voyager simply continued this. This isn't a "stupid TV audience needs lots of fast cuts in order to enjoy anything" kind of thing, but I definitely think a revamp of how an episode was shot/edited together etc would've helped Voyager as well.