I can argue that any nuclear industry is inherently connected to nuclear warfare and thus potentially dangerous.
You can huh? Ok explain to me how do you plan to get clean uranium-233 out of a LFTR to use it in a nuclear weapon.
No need for uranium bombs... use plutonium breeders.
Works every time.
Ironically this is the only viable "permanent disposal" method for the waste along with the most sustainable energy economy. (Longer than the expected lifetime of the sun)