https://www.theguardian.com/technology/2019/jul/10/googles-power-is-extraordinary-businesses-turn-to-the-courts-over-bad-reviews

Negative comments and low star ratings can make or break a company. But as Google finds itself embroiled in legal action, it warns defamation law could suppress consumer rights

Mark Fletcher says he never paid much attention to Google reviews left by customers for his Victorian-based software business Tower Systems – until five months ago.