unfortunately "selling your data" is why your 401k has been growing for last few years. it is not going to stop unless regulated by governments and tweaked over

unfortunately "selling your data" is why your 401k has been growing for last few years. it is not going to stop unless regulated by governments and tweaked over time as loopholes in those regulations are found (or added via lobbying). my take is, it is not going to stop, just kept in a pseudo check due to public awareness.