How are they supposed to do that? You can't watch all of youtube. Even all of monetized youtube.

As for good journalism it either committed suicide or was killed off by management depending on perspective - either way it was quite a while ago. The actual newspaper conglomerated were doing the same damn thing before there was a Google - just look up a list of old moral panics. Look up Grunge slang hoax - they didn't even call a guy in Seattle to ask if they ever heard anything like the joke article to be sure it wasn't somebody taking the piss - and it was.