Ah, I misinterpreted your phrasing. “We have to stop reporting on Trump lies like they’re shocking” sounded like “nobody is shocked by his lies, so there’s no point in bothering to report on it.” You meant “stop feigning surprise in your reporting of his lies.” I fully agree with you.
It makes perfect sense once you realize that their media literacy is through the basement. Regular literacy too, I’d wager. 54% of adults (in America) read below the sixth-grade level. Source.