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Block Cut 4,000 Jobs and Blamed AI. The Truth is More Complicated.

· Conor Bronsdon

AI AgentsEnterprise AI

A summary of the essay Conor Bronsdon published on the Chain of Thought newsletter. Read the full essay.

The essay examines Block’s February 2026 decision to cut 4,000 jobs, about 40% of its workforce, which CEO Jack Dorsey attributed to AI. Conor Bronsdon sets that explanation against a second one: Block over-hired. Headcount grew from 3,835 in December 2019 to a peak of 12,985 in 2023, and the cut returns the company to roughly its December 2020 size. The essay concludes that the layoff was both “AI washing” and AI-driven, with the ratio depending on the department.

The evidence for real AI gains includes Conor’s interview with Angie Jones, Block’s VP of Engineering for AI Tool Enablement, in episode 48: Block rolled out its open-source agent Goose to all 12,000 employees in eight weeks, with data classification and approval rules for destructive operations. Cash App’s design team went from 36 pull requests in August 2025 to more than 1,000 by late February 2026. On the other side, Wharton professor Ethan Mollick doubts a sudden firm-wide efficiency gain large enough to justify cuts of this size.

Key points

  • Time saved by AI can go to more output, fewer people or changed roles. The essay calls the choice among them a leadership decision.
  • Block’s stock rose more than 20% on the announcement, which gives other boards a reason to frame their own cuts the same way.
  • By writer Om Malik’s math, Block’s 2026 guidance needs each remaining employee to produce 2.6 times their 2025 output.
  • The essay’s advice is to deploy before cutting: adoption worked where employees chose their own models and soured under mandates.
  • Signals to watch at Block: Square’s uptime, Cash App support and ratings, attrition among the remaining 6,000 and product velocity.

Disclosure: Episode 48 was sponsored by Galileo, the Season 3 presenting sponsor (sponsor read at 49:33).

Read the full essay on the newsletter

From the conversations

This essay draws on these episodes — each carries its full transcript.