They were the ones who chose to tank their own credibility by taking money to produce paid promo videos that looked like ordinary non-promotional content. They're not the victims here; the viewers they deceived for profit are.
Well I actually watched a PewDiePie video of it. He just played the game which he would have probably done anyways. There wasn't even a review just fun game, which it was to the vast majority of people.
Their credibility took a hit which could destroy your whole enterprise.
PewDiePie was the Click Bait Name
Added Video (Never saw a video of him before) Here is his reply https://www.youtube.com/watch?v=9JqJDRkKlt8