Sierra engineer ptr joins Instinct, reflecting on 'ivory tower AI' privilege

mon__lim · x · 2026-11-10

Engineer ptr announced he's joining Instinct. In a long post he describes how AI transformed his work, family organization, finances and hobbies — while reflecting that his access has been privileged: two $200/mo subscriptions (Claude and Codex) and two years at Sierra, one of the most AI-forward companies, calling it "ivory tower AI." Friend wwayneee retweeted, noting they've now worked together at five companies over 13 years: Twitter, Slack, Balsa, Sierra, Instinct.

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