Many components inside a modern linux distros are actually developed by people employed by big corporation. Take systemd for example, where a huge portion of it

Many components inside a modern linux distros are actually developed by people employed by big corporation. Take systemd for example, where a huge portion of its core developers are employed by red hat, microsoft and facebook. The distro itself may be run entirely by volunteers, but the softwares they packaged might not be developed entirely by volunteers.