I feel like the only person in the world who was thoroughly underwhelmed by it and really don’t see how its future space requirements for a staircase can be justified. This isn’t me trying to be edgy, I like cathedrals, this one (and his general style) just left me cold. Duomo in Milan was far better imo.
Granted, the LOTR of Lothlorien helped, too (I only saw the Sagrada Familia in 2022). To past generations, "Gothic" means something quite different, as we see it in our current context, with darkened fronts and comparisons to buildings that allow even more glass. But back then it was all light and organic. The SF seems to go in the same direction, but unhindered by medieval masonry and mathematics.
Then again, I also like brutalist churches...