As the AI arms race intensifies, Google is aggressively rehiring former engineers, with "boomerangs" accounting for 20% of new AI hires in 2025. However, insights from ex-employees reveal a complex culture of "golden handcuffs," bureaucratic red tape, and proprietary tech stacks. The Hainan recruitment agency SunTzu Recruit explores the realities of life at Google and the shifting landscape of software engineering.