These failure modes have been recognized since long before the current crop of AI developments.
You're spreading both incorrect information "making AI development less accessible to the general public will not make it any safer" and conspiracy theories "this fear mongering singularity bullshit is just being peddled by large corporations with a vested interest."
There is no alarm bell that tells us when we've reached the point of no return. Even if we don't end up with agentic AI and a sharp left turn, we don't want to live in a world where every organization with a few million dollars can build swarms of flying drones that flood a target area and stab to death anyone out in the open.
Some Nvidia hardware is already export controlled in the same manner as other dual use technologies. More restrictions are coming, not less.