How would you falsify this hypothesis? What specific task do you think AI will be unable to do in our lifetimes because of this lacking of comprehension?
One can not explain anything to an AI, it has no comprehension. You're talking to nothing, a brick. Lacking comprehension, using "intelligence" in the name of AI is a marketing joke. I write the stuff, at a very high level. All the "software engineer careers are doomed" crap is nonsense. Lacking comprehension, AI is an idiot savant and a damn good actor, and nothing more because there is literally nothing inside.
The majority of what people want, because people will expect to be able to explain what they want, and that is speaking to a uncomprehending wall. Lacking comprehension is incredibly fundamental.
For example: you question I am answering, that act of answering your question requires comprehension of your question. Lacking comprehension, only a lookup of canned answers to expected questions is possible.