There’s quite a few reasons, but I suspect the largest is lack of a corporate sponsor. People use what they know of, and few things have shipped with smalltalk.

There’s quite a few reasons, but I suspect the largest is lack of a corporate sponsor. People use what they know of, and few things have shipped with smalltalk. And honestly, the language itself isn’t that remarkable by today’s standards; there’s so many dialects floating around most of the features have made their way into mainstream languages. It’s the tooling that I dream of. Sadly, it’s probably also another reason why it never took off: people couldn’t easily incrementally adopt it.