this is such annoying clickbait, of course structural typing can have unsafe behaviours: https://twitter.com/ckarmstrong/status/1536931168654073856?s...

I've used JavaScript and TypeScript professionally for more than 7 years now and I'm still discovering new ways structural typing can break systems in novel ways. It's not like you don't benefit from the reduced need to type everything everywhere, but there are still holes that can leave subtle bugs in your system.