Yes, this is an alternative original implementation, from four years ago, when the concept of SetFit was still new and HF's project didn't exist. I guess its value nowadays lies in its simplicity. It is really simple. And practicable if you use TorchServe, because embeddings and classification model get serialized into one object.
100% fossil. there has been a few threads.. and always someone points out edge cases that are only to be solved using git.. well i dont think so. you can actually go into the sqlite db and change stuff. i've recently started playing with its server api to direct user feedback from web to fossils ticketing system. it is just mature and feature packed and i honestly hope it will get as much recognition as sqlite someday.
deleuze was actually pretty well read in the natural sciences of his times, especially physics. even if you find this short snippet vacuous-sounding, he is actually one of the few philosophers whose metaphors about impenetrable parts of reality are grounded.