Nuclear restrictions were instituted by beurocratic means, not democratic means.
Yes and who made up these bureaucrats and what regulations are they following? Who wrote those regulations? Who advocated for them? Who voted for them into law?
Sorry but we still live in a democratic society, as much as Sam Altman would convince you otherwise. The buck stops at failing to convince those we entrust with power to make pro-nuclear regulations.
Learn to organize better or continue failing at influencing society.
It depends on the country. In many, there were actual rounds of dedicated votes.
In Austria we put it to a vote. Right after building the first fission plant. We never switched it on after a narrow defeat. At least in our narrow case, the restrictions were exclusively democratic.