If your part-way through The Buried Giant, it has a solid ending (IMHO) - like Never Let Me Go, the characters realize that they have made some foundational ass

If your part-way through The Buried Giant, it has a solid ending (IMHO) - like Never Let Me Go, the characters realize that they have made some foundational assumptions that aren't quite right, but unlike that novel they do have the opportunity to change those assumptions - for better or worse