Yes they do, and they will all have that capability as well. Molten salt reactors are especially secure in that respect, as the fuel is bound up with...
John McWhorter is a linguistics professor, and he is an outstanding teacher of linguistics. I have taken courses from him, and almost everything I know about linguistics is through him.
But he is not a sociologist, political scientist, or anthropologist. His insights do not come from a deep wellspring of knowledge and expertise here. Some publisher decided that because he has a modest amount of name recognition, they would be able to sell books attributed to him.