They actually do get a mention in the article.

  The venture capitalists who’ve sunk tens of millions into
  Cheiky’s startups have a lot to lose if his suspect science
  is discovered — exposing Cheiky might stop him from raising
  money again, but it would also tarnish their reputations.
  None of the firms who backed Cheiky would speak with The
  Verge about him on the record, but several shared negative
  impressions on background. Unlike many serial entrepreneurs,
  who return to previous investors for favorable terms,
  Cheiky’s last three startups all have a very different set
  of backers.

Seems they're just playing the same game.