I can only hope you mean that life in general wouldn't be worth it if those who wanted kids couldn't have them because deciding for people who choose not to have kids or are infertile that their lives "aren't worth living" would be pretty horrifying.
Of course. Anyone can choose not to have children, and many do, and it's perfectly fine. But if none of us could have children, and we had to live forever...
> if none of us could have children, and we had to live forever...
...then those of us who have at least half a brain would be overjoyed at the opportunity to enjoy one another's arts, personalities, minds, and bodies; to explore everywhere we wanted to go, including realms of thought; to create, to play, to live.