There's a very broad range of unsolved safety issues in AI, and what she does is perfectly validly in that category even though she herself will deny the value of anything in the general category of "TESCREAL".
It's like how computer science safety can be anything and everything from "Should platforms like Meta be required to have a minimum age requirement?" and "Should section 230 provides immunity for online computer services with respect to third-party content generated by its users?", but also "How can we formalise system testing requirements to prove that things like Therac-25 never happens again?" and "Is the Boeing 737 MAX flight control software actually safe?"