I think none of the reason applies but it's tongue in cheek.. I think it all points at cultural maturity. Same smalltalk today might be well received because machines are wide and fast and people have seen more languages. It's surely easier to show ST to py or js coder today now they've seen large syntax changes and paradigms (FP, async etc)
Pharo is a Smalltalk, but they're ok with moving in new directions.
As a Python coder, I played with Pharo and tried several tutorials and read a book on Smalltalk-80. I get the gist of things, but have trouble actually writing the code as things aren't obvious and there is no StackOverflow or cookbook for common tasks. It took me forever to figure out how to do file IO and that sort of thing. The other problem is that deployment isn't just running a script, but deploying the image and runtime of some obscure language nobody has ever heard of in enterprise software and no IT department is going to be cool with it.
I think most users of Cincom Smalltalk (and other esoteric language users such as Volvo using Dyalog APL) occurs most often due to historical reasons. Please note that I don't think poorly of these languages and would use them over something like Java in my own pet projects any day.
