I can't get into details, but I worked at a place that was thinking about opening up some development for open source publishing. Another team was working on so

I can't get into details, but I worked at a place that was thinking about opening up some development for open source publishing. Another team was working on some very high-end algorithmic work in a specialized field and the company was pumping lots of money into internal R&D for that group. They were selected as an open source test case. They pushed up their code to github and within a few months a group of them had left the company to form a boot-strapped competitor using their same code -- essentially using the open source publication of their tools as a way to legally ex-filtrate corporate IP -- a nightmare scenario for many companies (and also recently in the news i.e. Uber v Waymo). This one act burned all open source publishing plans to the ground and now that company open sources as little software as possible. Now, several years later, they haven't published a single line of open source code that I'm aware of.