All rubber soled shoes store and return mechanical energy in the stride. It's just a matter of how much. I do think it's reasonable to limit sole thickness in order to preserve the spirit of the sport.

The Real Science of Sport Podcast has a great episode which dives into the technical details of how the Nike shoes actually work. https://play.acast.com/s/realscienceofsport/bee6a41a-0d6d-4d...