They weren’t both in the research department. He ran the Fidelity OTC Portfolio Fund and she was a junior analyst. In the Mutual Fund world that is definitely a power differential issue. He clearly could influence her career path.
OK, I didn’t read enough to see that he was a PM and she was in research.
In either case, there would be potential for a quid pro quo, and thus subject to sexual harassment litigation, which was the point I was trying to make.