1. Because neither Elon Musk nor Kim Jong-Un have a clone. That is, if human cloning were being carried out, we'd see clones of famous and/or powerful people. Is there some chance it happened in a lab somewhere and kept extremely secret? Sure. Is it a technology that's available to the groups that could pay for it? No, it would be very visible (eventually, at least).

2. Computers powerful enough to train AI are also physical objects, ones that consume gigantic amounts of power as well. Maybe some day we'll have computers that can train Claude on 50kW of power running in your pocket, but maybe not. There are fundamental limits to how much computation you can get per watt, and we're getting closer to them. So, preventing AI may be as simple as banning use of any computer cluster that consumes more than some wattage, say 1000kW, without government audit, while also banning research into more computationally efficient ways of doing AI.

3. This is not a real problem, since some biologists that are into cloning may have wombs of their own to gestate the clone. Artifical wombs, even cheap ones, would change nothing in relation to cloning (except maybe reduce the diversity of rogue cloning research teams - angering the criminal enterprise DEI department, I'm sure).