In a post on X, Gergely Orosz argued that while a claimed ~$165,000 token cost estimate for rewriting Bun in Rust is impressive, most companies still would not approve that as a one-off AI expense for a single migration. He contrasted that with the way teams routinely absorb years of developer time across planning, support and product work. In a follow-up reply on X, he added that the math looks different at companies with much higher engineering compensation.