Please help with this. Thank you

11. Many consumers rely on product reviews posted online, presumably by ordinary citizens describing their authentic experiences. Unfortunately, though, Amazon and Yelp, the most prominent of the many Internet review sites, have been called out for fake and paid-for reviews. Amazon has threatened to sue people posting fake public reviews. Why is it important that online reviews or testimonials be trustworthy? Additional Questions: Write about a time you have posted a positive and negative review (if you've never posted a review. think about a time you wish you had and what you would have said in a review.) Was there any backstory or underlying situation that contributed to your review