Saying that Andrej Karpathy is "an AI researcher, but not a software engineer" isn't a very credible statement.
If you read to the end of his tweet, he specifically says "It's not too bad for throwaway weekend projects, but still quite amusing. I'm building a project or webapp, but it's not really coding - I just see stuff, say stuff, run stuff, and copy paste stuff, and it mostly works."
If you read to the end of his tweet, he specifically says "It's not too bad for throwaway weekend projects, but still quite amusing. I'm building a project or webapp, but it's not really coding - I just see stuff, say stuff, run stuff, and copy paste stuff, and it mostly works."