40 years ago Nike created the Pegasus and every company tried to make a better Pegasus but they were all Pegasus. Add stability and call it a Structue. Make a light weight version. They were all Pegasus and every company followed.
Vibram created 5 fingers and everyone followed with their minimalist shoe.
Hoka came out with a beefy clown shoe and everyone followed.
Nike created a plated racing flat and everyone followed.