> 3. You can use highly enriched uranium (HEU) for things other than weapons, but the weapons are the only things that require HEU.
OP seems to expect everyone to believe that any regime invests years and small fortunes in research sites built in networks of bomb-proof bunkers buried inside mountains, right next to their network of ballistic missiles, to research medical applications.
You're suggesting that honest countries with no intention of building nuclear weapons would have no reason to ever try and hide or protect their nuclear sites. This is probably the single worst point in history to make that argument.
OP seems to expect everyone to believe that any regime invests years and small fortunes in research sites built in networks of bomb-proof bunkers buried inside mountains, right next to their network of ballistic missiles, to research medical applications.