No, most people think of some ill-defined idea shaped largely by the concrete design of early versions of, and practice in, C++ and Java, reflecting a set of compromises between early OO visions (including, but not limited to, Kay’s), C’s particular style of statically-typed procedural programming, and various practices that emerged to deal with the warts of those compromises.
I agree w/ your sentiments here, but it is worth keeping in mind that Simula predates Smalltalk and could be viewed as both the first OO language and the progenitor of what became mainstream OOP.
Kay was a visionary, but not every vision of his was the final word on reality. It's possible that the "mainstream" version of OO is better than Kay's.
