Andrew Ng Says Engineers Should Be PMs, Meta Drops Open Weights — The Batch 349's Two Opposite Signals

The Batch 349: two opposite signals on one table. Ng on AI-native teams (engineer:PM 1:1, generalists win); Meta's first Superintelligence Labs model — Muse Spark, closed, fourth, one-third the tokens. Plus Eli Lilly's $2.75B Insilico bet and Google's Persona Generators on the PM bottleneck.