Apple Health's Cardio Fitness metric not accounting for hills

I’m 76 years old and just did Cactus to Clouds hike, one of the toughest day hikes in the world according to Backpacker Magazine. I’m probably in the top 1 percent fitness wise for someone my age. Apple health doesn’t take hills into account, why not? They’ve had years to fix this.

[Re-Titled by Moderator]