>>174458821. Because with Hatching Power 3 most species hatch a full batch in less than 5 minutes.
2. Plus you have to manually confirm a hatched egg before you can continue biking
3. Because you already have to bike around to move the egg cycles forward.
Whoever came up with this coin under D-pad shit have never touched a 3DS in their life, and anyone who believes that method to be real has the mental capacity of a tiny piece of poop.