To me, gaming is more than just the original intent of a "video game" nowadays. It stretches more into the realm of "entertainment" as a medium.
Because games can have so many different facets that derive what they are trying to accomplish in that medium, yes, to me a game can be "perfect" in score even if the story is bad/nonexistent. And in the alternate view, a game can be "perfect" in score even if the gameplay is subpar (although this is way more difficult to pull off than going the other way, because of the roots of what a "video game" originally was).
Realistically, games should very rarely garner ANY 10/10 or "perfect" reviews. Unfortunately for the gaming industry, review scores are very bloated because 5/10 isn't considered the "average" mark for a video game. So when a very generic game that does nothing extraordinary to push boundaries comes out and gets an 88-92 score, how can you justify NOT giving a game that does all the same things much better, while pushing boundaries, a 100? It's a vicious cycle that'll probably never be broken.
I mean, how many movies get a 10/10 or a "perfect" rating from ANY critic, let alone multiple critics? Yet in the gaming space it's commonplace for any triple-A title, no matter how truly great or average it is, to get at least a half dozen of them.