I highlighted Jane Street's recruiting outreaches specifically, when talking with an R&D unit at a big financial institution. (I also mentioned the tactic of fringe-tech-that-some-heavy-hitters-love. OCaml, Lisp, Rust, Erlang, etc.)
When I first heard of Jane Street, it sounded like Yaron Minsky was going around to MIT and such, high-touch, trying to hire just a few people. And later, things like this blog: https://blog.janestreet.com/author/yminsky/
The only negative thing I recall hearing is Jane Street alumni responsible for the infamous FTX and Alameda Research. I don't know whether the individuals were already fully into hopped-up sociopathic/narcissistic thinking in college, or whether their internship and employment experience contributed.