> Apart from trying to filter spam, Yelp doesn't "manipulate" reviews.
Many restaurants have claimed that yelp has offered to remove negative reviews in exchange for money. Some also suspect Yelp of writing those negative reviews.
You made a factual claim with out any supporting facts. I pointed out that your claim was not established fact. I am aware that "I'm only asking questions" can be used to cast unwarranted doubts, but in this case the accusers are reputable and numerous enough that I think we should not pretend they don't exist. For example:
Many restaurants have claimed that yelp has offered to remove negative reviews in exchange for money. Some also suspect Yelp of writing those negative reviews.