Whether it's fair or not, I got the impression that Top10Reviews and their ilk were pay-to-play affairs. Their "site search" is really a Google web search so it

Whether it's fair or not, I got the impression that Top10Reviews and their ilk were pay-to-play affairs. Their "site search" is really a Google web search so it's hard to find reviews. The product links all seem to be affiliate links, so they are making money off referrals. Is it possible that their recommendation has something to do with it? Would they review a product where they couldn't be an affiliate?