No, of course, you can only ever be certain of that in hindsight, through a historical lens. We’re not there yet. The question is simply whether Marx’s analysis was abstract and general enough at that point to still hold up in our present day, despite the changed circumstances. It’s surprisingly common for Marx’s analysis to become even more accurate later on than it was in his own time. But I can’t say whether anything has actually changed so fundamentally that it violates the underlying assumptions of his theory.