From the alg's perspective, each video is a mutant offspring. It has hypothetical values in several contexts. On publication, those values get tested for a bi

From the alg's perspective, each video is a mutant offspring. It has hypothetical values in several contexts. On publication, those values get tested for a bit until the value converges. So new vids get a chance... but they're competing with known, larger quantities. Advertiser-edgy content has a signal attached to it saying "don't let this get tested much," in case it gets popular.