These sort of statements are by nature speculative not factual, and thus speakers are advised to express and communicate doubt, and hedge against uncertainty inherent in their views, and probably even vicious rebuttals, by using appropriate language constructs or terminology, but when a know-it-all bot that was trained by its handlers to pass always as an authority figure makes a mistake due to hubris or overconfidence, don't expect us to sit idle, and not call them out, and refute their claims accordingly.
Beyond that, in my opinion, while human dialogue might hedge confidence, disclose conflicts of interest, etc — to me, assumed the exchange is via text-based chat — there are much more efficient and effective ways to express that information than adding non-actionable text like that.
