What we hear from companies like T and F and Y is that monitoring communication at this scale, preventing that harm, is an unprecedented technical challenge. That’s correct. However… no one asked for communication at this scale! To be clear, it’s a challenge these companies designed for themselves; a challenge they enlarged through relentless, ingenious growth; a challenge they now invoke as if it’s some longstanding problem in fundamental physics. [...] Social media platforms should run small, and slow, and cool to the touch.