What is it specifically that is making you say that?
I mean, it looks to me to be a really solid WH40k tactical game. Its graphics are decent for wargaming standards.
And what game is that?
Sanctus Reach looks extremely mundane and unintuitive,
Armageddon is just a bad Panzer General clone,
Eisenhorn is--while somehow having put in the pre-production work--just wrong in all it's gameplay and graphical elements,
Carnage Champions is yet another bland unintuitive 40k game which just happens to be a side-scroller,
Legacy of Dorn barely qualifies as a game,
Battlefleet Gothic... Is actually pretty good in comparison to these titles,
Talisman is... I don't even fucking know what Talisman is,
Space Hulk I don't know. Some people hate it some people like it a lot,
Eternal Crusade is not what was promised,
Kill Team, bland and unintuitive,
DoW III looks so fucking bad I'm already angry about it and it's not even out.
IMO, the original DoW (+ expansions), Space Marine (but only really for the wave and multiplayer modes), and DoW II: The Last Stand are the only 40k video games I've found to be good--and the latter of the two don't even come close to approaching DoW. GWS just hasn't put the time into properly leasing the IP to a company who will do it justice since Relic/THQ... and uh, "New Relic" is bad. Baaad. This isn't to say there aren't ENJOYABLE titles out there, I.E. games like Battlefleet Gothic, Space Marine, and Eternal Crusade--but none of them really do justice to the kind of potential the IP possesses.
But let's talk about Sanctus Reach, because that seems to be what you're specifically talking about. First off, let it be known that I'm not a fan of turn-based strategy in video games as it is, so just know that I'm coming from that bias. HOWEVER, the whole point of video games--from one point of view--is that the computer does all the calculations for you and all you have to think about is strategy... If you just want to put tabletop into a video game, there are better ways to do it. If that's NOT your goal, why even bother with a grid-based TBS? I haven't played though. So I can really only extrapolate. From screenshots, the maps look boring, the art assets in general look boring. 40k's fluff is rich in description and grimdark--even after all the bullshit retcons, and I feel like they're just trying to move away from that, but all it's going to do is dilute the unique image of 40k. Then, of course, as always, this game <<appears>> to be unable to do what 40k is all about: giant armies clashing. Seriously, that's ALL I want from a 40k game, I want to see thousands of thousands of people in a colossal battle. Is that so much to ask for? Finally, related to my previous gripe, everything about this game just looks so uninspired. There's nothing in there that I haven't seen a thousand times before, not even any IG or Chaos. What? I'm so goddamn tired of genericmarines vs orks.
Now, I understand that the game is indeed the closest to tabletop in a game that has been developed so far, so for that, I give it props, but it could have just been done so much better. It just looks like that kind of game that might have been good a decade ago, but now it just seems half-baked, like they didn't REALLY want to put the love it needed into it.
If they just kept putting out AWFUL games, I would actually be less mad, because eventually they would get the signal that they're doing it wrong, but it's just been years upon years of mediocrity and somehow that just makes it all so much worse. The good ideas never get fully developed and the best fade into oblivion. That's my two cents.