Performative vignettes

1. Does "performative vignettes" mean "performative techniques"?

2. What does "influential" mean in "influential boyfriends"?

Context:

Using direct dialogue with the camera, intermixed with performative vignettes by the artist, Bag airs her personal views and demonstrates the survival skills she used to slog through four grueling years of influential boyfriends, patronizing male teachers, bad student video works, stultifying artist lectures, and paralyzingly mundane jobs.