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I understand that Google wants to use the algorithm as a means to circumvent human bias while doing search queries, but isn't placing paid sites at the top of a search list a type of personal bias in it's own right?

Generally speaking I can still eventually find the information that I am looking for when I use Google, but I do find it somewhat silly that I have to ignore the first 5 results or so when doing so. Has anybody else noticed that Wikipedia articles (which used to be first on the list no matter what you searched for) are now in the 3-7th slot on a search list?