You're right about it being very safe and emissions free. It would be a great choice if we wanted to solve CO2 emissions.
But the reporting around last week's attack on Zaporizhzhia illustrates why it's not the future. The "paper of record" reporting vague experts' fears about a "cloud of radioactive isotopes over Europe"[1]. The Ukrainian President saying: "If there's an explosion, it's the end of Europe"[2]
How can nuclear overcome that level of FUD? No idea what it would take, honestly.