While somewhat out of style, "she" is often used as a universal gender neutral pronoun. To me, it's far less distracting to read than "he/she" or "(s)he." I personally prefer the singular "they" as a gender neutral pronoun, but some people think it's improper English.
Either way, I don't think that using "she" as a gender neutral pronoun can be considered distracting advocacy of feminism.
Historically man and he have been used a universal gender neutral pronouns. In most latin languages this is spelled out clearly as proper grammar (e.g., French). In English it has been left ambiguous. That said, one clearly is making the conscious choice to swim against the tide when specifically using 'she' for this purpose, so it's going to distract some people. Though I agree far less than he/she and (s)he.
Slides are designed to keep the audience on point as the conversation goes on and to ensure that the audience isn't reading the slides instead of listening to the talk.
These slides get it while leaving a 'alright, that was memorable' feeling as you walk away
