This...what do you call it? A mindset? A way of life? The answer to all questions? Because you cannot simply call it a programming language that's for sure.
I started programming in 1979 and throughout my long career I have constantly been exposed to various Smalltalk articles and genuflections.
Wow! Just look! Fucking EVERYTHING is an object! Holy shit can you believe the audacity of the developers?
Along with LISP, Smalltalk is just one of Holy Shrines That One Must Visit In Order To Complete One's Path As A Real Programmer.
I almost think "Ancient Religion" should be the right moniker...