Would say, super generally and speaking loosely, yes: simply because I knew "isolate" from Dart, not V8, and didn't miss a beat with the article: in a sense, I'

Would say, super generally and speaking loosely, yes: simply because I knew "isolate" from Dart, not V8, and didn't miss a beat with the article: in a sense, I'm surprised find the exact same concept in V8. I assume it was in V8 first, IIRC Dart/Flutter started from Chrome.