Her response should have been:
“There are conservative commenators - not journalists - who have an openly stated bias for Republicans/conservatives. But we also who have real journalists who believe in ferreting out the truth, unlike YOUR employer where every person is supposed to carry water for this administration!”
That would definitely have been a better reply
Greta fell into the typical role of becoming an instant apologist instead of taking it right to the snake and confronting her with the widespread coverup conducted by the liberal media at large.