Popcorn Initiative in D&D

Sounds iffy to me, but someone on startplaying with 30 yrs experience is using it. Guy's name is Northern Dungeons on startplaying. 

https://theangrygm.com/popcorn-initiative-a-great-way-to-adjust-dd-and-pathfinder-initiative-with-a-stupid-name/

Well he uses it for "I like to use Popcorn initiative for exploration and skill challenges when there is an urgency or danger that opens up space for cinematic descriptions and allows equal opportunities for the spotlight."