Once ad-blocking is illegal (as it is on apps), there's no reason not to make ads as obnoxious as you want.
Of course, many Facebook *employees* cared about their users, and for most of the 21st century, those workers were a key asset for Facebook. Tech workers were in short supply until just a couple years ago, when the platforms started round after round of brutal layoffs - 260,000 in 2023, another 150,000+ in 2024.
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