That doesn’t make the stat in the op correct. That stat would look like it does specifically because of how it is calculated. It was going to give that answer no matter what because of how the parts are moved.
What VS never does is calculate bogus stats to represent it… they talk about trends in their descriptive data. It’s perfectly acceptable to use their data in the way they do.
I mean, definitionally, that’s exactly the meta becoming less favorable to it, though.
If by piloting differences you mean you stop getting bad opponents, that’s something that the data supports, but nothing directly measures piloting in this data specifically because of how it is collected and reported.