The 'dirty' parts of tech: * media * social media * PII repackaging and unethical sourcing * targeted ads
Neutral or clean parts: * e-commerce * business automation * technical and educational information
Meta is an ad company and has a device business and happen to use social media to sell ads.
Amazon is rapidly shifting to be an ad company, who happens to use an e-commerce platform to place ads. They bought a healthcare company who collects massive amounts of PII and provide affiliate programs which funnel traffic into their ads and marketplace.
Apple, Microsoft and Google all have ad units that are major contributors to their overall profitability.