I think the bias towards videos is because of the interactive and graphical nature of Smalltalk. Other programming languages, a simple text post with code snipp

I think the bias towards videos is because of the interactive and graphical nature of Smalltalk. Other programming languages, a simple text post with code snippets is usually enough but, with "environments full of awe and wonder" such as Squeak I believe only video can fully capture what is going on.