What happens when LTAI (Less Than Artificial Intelligence) gives way to AI?

After almost 79 years on this beleaguered planet, let me say one thing: this can’t end well. Really, it can’t. And no, I’m not talking about the most obvious issues ranging from the war in Ukraine to the climate disaster. What I have in mind is that latest, greatest human invention: artificial intelligence.
It doesn’t seem that complicated to me. As a once-upon-a-time historian, I’ve long thought about what, in these centuries, unartificial and — all too often — unartful intelligence has “accomplished” (and yes, I’d prefer to put that in quotation marks). But the minute I try to imagine what that seemingly ultimate creation AI, already a living abbreviation of itself, might do, it makes me shiver. Brrr…
What happens when LTAI (Less Than Artificial Intelligence) gives way to AI?