I mean there’s games like… Minecraft that I certainly have played many, many times for many hours with lots of different combinations of mods. That’s repayable to the max.
Much like the gameplay itself, the story is another puzzle. You assemble the story from bits of emails and voice recordings that you find around the place.
There’s some reading required to appreciate it, as you find the emails and the various philosophical texts around the place. If you get bored, maybe that just isn’t for you. But I’d encourage you to give it a shot and see the story as another puzzle.
I haven’t really tried a walking sim before but I suspect I’ll find it boring - considering the reviews on What Remains of Edith Finch, I’m statistically unlikely to dislike it though, so I guess I’ll give it a shot and see what I think :)