Pointing out bias was a good way to get it done. And it worked.
The only reason it passed was because the president threatened the senate. It worked.
Trump Threatens GOP Senators Who Don’t Vote to Defund PBS and NPR
Trump threatened that any Republican who fails to back his push to defund PBS and NPR will lose his political endorsement ahead of a showdown over cuts.
It's possible funding of some sort will be returned next year.