I'm just jumping into the middle of this here, so expect my opinion to be uninformed and poorly-timed.
But it could be said that movie-style games can be enjoyable on their own merits. For instance, I found what little I played of Max Payne and its sequel to be quite captivating. It's just a matter of knowing what it is you're trying to make.
For instance, if you're trying to create a movie-like game, you should focus on building a compelling story with interesting characters, and to try and make the action scenes as fluid as possible to keep the flow going. What you shouldn't be spending your time on is creating vast environments, regardless of how interesting or uninteresting they may be.
Conversely, a sandbox game should be focusing on providing you with a large plot of sand in varying colors and densities, and then dumping all sorts of toys on you with which to manipulate the sand. You don't care about how the sand was made, who put it there, or whether or not it's going to be turned into an office building in a few weeks if you don't sign this petition. The only thing you might care about is if the cat's pissed in it lately, but even that is secondary to all the cool things you can do with sand when it's wet.
I think the main problem is that game companies have gotten into their heads that linearity is an objectively bad thing. It's not. A linear game is exactly what it is, linear. There are good linear games, and bad linear games. Just as there are good games about Romans and bad games about Romans. It's merely an aspect of the game as a whole.
Because of this stigma, they seem to be adding sandbox elements as a sort of blanket strategy, putting in partial exploration where it really doesn't belong. A sandboxy linear game is generally just as bad as a linear sandbox game... It just misses the point, and ends up half-assing the whole deal.
And, furthermore, there's the issue of taste. Since this is a creative medium, there's really very little objective labeling about it. There are of course people who really like the big, flashy games that will provide you with any sort of aid you might need, while still delivering tried-and-true gameplay methods that you can get right into. Just as there are people who, like me, eagerly await the possibility of seeing a 'U', a '~', and an '@', and knowing that you've just set someone's large intestine on fire by yelling at it.
Different people will want to play different games for different reasons... And applying objective reasoning to a subjective topic has always been a recipe for disagreement.
I like Dwarf Fortress. I would probably not like Dragon Age. There are plenty of people who feel exactly the opposite.
So, yeah... In summary; Max Payne was badass, burning intestines are awesome, and people think I'm off my rocker. Deal with it.