[kube-system]

Major US newspapers in the 21st century did. But regardless, many of them were opaque in nature. "Via AP" may check the box of attribution but is lost on a reader of average literacy.

[xbar]

Newswires were well understood entities for all newspaper readers for more than 100 years.

[sokoloff]

That’s giving an awful lot of credit to “all newspaper readers” there.

Certainly as a kid/teen, I didn’t understand it; I suspect plenty of adults didn’t either.