Evil is commonly defined as morally or ethically bad. Google & FB do not hide the fact that they use your data for monetary gain. I think it's a well known fact. They are however not always super transparent about how much data they are collecting on you. I believe that in using these services we pay with our data. Once traded your data is no longer yours. It's theirs. Thus I don't think they are evil, I think the medium of payment has changed and people in general were ill equipped to understand the change. In short we should better educate everyone on how these services make money, and let the market decide. If privacy becomes more valuable to people then convenience, it will appear as a successful market solution.
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We strive for transparency and don't collect excess data.