No. It's not. Objectively so, considered Daikatana, COD: Ghosts, Duke Nukem Forever, Aliens: Colonial Marines and the modern Medal of Honor games exist.
As far as my opinion goes, at it's core it's trying to tell a story and uses the gunplay to hold it together, like a burrito. So unless the pastry's too raw or melted, we should judge it based on our personal opinion of the story.
For me, the story was pretty good, the shooter portion was acceptable/above-average, and the game itself was memorable but too compressed for its own good. Overall, great game, not excellent, and I'd love to know in which street in Paradise is the gamestore you're buying your games for that Infinite gets called the worst AAA FPS ever made. But then again, this is a B-Cell thread, so over-exageration to the point it reaches Poe's Law is to be expected.