Reid Hoffman says SpaceX 'not an AI company', xAI 'complete train wreck'

Original Article ↗ Hacker News Discussion ↗

SpaceX as an “AI company”

  • Several commenters say SpaceX’s IPO materials present it primarily as an AI company with rockets/Starlink as side businesses.
  • Others argue the real substance is rockets and satellite internet, and that “not an AI company” is not an insult.
  • Some think tying a fundamentally space/communications business to the AI hype cycle is dangerous and could harm an otherwise solid but less spectacular company.

Financials, TAM, and valuation

  • Cited figures from the S‑1: 2025 revenue ~$18.7B total, with ~$11.3–11.4B from Starlink, ~$4B from launch, and ~$3.2B from “AI” (mostly the social network).
  • There’s heavy skepticism about internal accounting (SpaceX paying itself via Starlink launches) and whether that revenue is economically meaningful or just recycling losses.
  • The IPO pitch reportedly claims a $28.5T AI TAM and $320B AI revenue by 2030 with very high margins; many call this absurd relative to global GDP and food spending.
  • Some think current valuation is pure bubble behavior—investors buying because they expect to sell to someone even more optimistic later.

xAI’s competence and products

  • Many describe xAI as a “train wreck,” “failure,” or irrelevant, arguing its main “AI” value is renting GPUs to stronger labs.
  • Others counter that Grok 4.3 and Composer are competitive for coding and conversation, with Cursor (post‑acquisition) having real developer traction.
  • Still others say that, in practice, few professionals actually use Grok compared to leading models.

Datacenters vs. AI

  • Debate over whether renting GPU clusters makes a firm an AI company or just a datacenter operator.
  • Some argue that if you have large idle compute to rent out, you’re probably not a top‑tier AI lab.
  • Others note that, like cloud providers, it’s possible to be both infrastructure and AI, though the market may not justify AI‑style multiples for commoditizing compute.

Credibility and bias of critics

  • Many highlight that prominent critics in the article have substantial financial stakes in competing AI labs and in a major cloud provider.
  • Some see their comments as predictable “trash talk” with low information content; others argue that board‑level investors do have meaningful insight, but their incentives must be heavily discounted.

Gen Z and AI “generation” framing

  • The quoted idea that Gen Z should embrace being “generation AI” is widely criticized as patronizing and self‑serving.
  • Several commenters say young people have valid reasons to “boo” AI: job erosion, hype, circular investment, and looming crash risk.