"Wasting" is doing a lot of work in that sentence.

They're effectively bringing on a team that's been focused on building a runtime for years. The models they could throw at the problem can't be tapped on the shoulder, and there's no guarantee they'd do a better job at building something like Bun.

Let me refer you back to the GP, where the CEO of Anthropic says AI will be writing most code in 12 months. I think the parent comment you replied to was being somewhat facetious.