And it's proof that like Oracle suing Google over 10 lines of code, it's enough for one or more contributors to claim ownership of some (small) part as a basis

And it's proof that like Oracle suing Google over 10 lines of code, it's enough for one or more contributors to claim ownership of some (small) part as a basis to take, say, Netgear to court. Thus you don't necessarily need to assign copyright over to a single person or organization.