Why would you let someone else reap the fruits of your labour?

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I realise that I might be asking the wrong crowd here, since this is a for-pay Q&A/writing site, but anyway ... I see an alarming number of people (including on for-pay/earning sites like Beer Money) asking about the best non-paying blogging/social media sites (like blogger). I also see a lot of people on antisocial media sites (like FaceCrook, Fartloaf and Tw@tter). They tend to have strong and negative reactions to having it pointed out to them that for-pay sites (particularly those that pay in crypto) exist, sites where they can earn at least something for their efforts (reap the fruits of their labour, as it were), instead of giving it away freely for others' benefit (mainly that of the site owners). Je ne comprends pas. What's wrong with these people? Are they stupid, willfully ignorant or both? --- Photo copyright Andrea Piacquadio from/on Pexels