The right to consume non-illegal content in one's private life is not an "interesting take", it's a truth about the world that you need to accept if you are going to be interacting with other people in any capacity.

She snooped through his phone and reframed her distaste as him having committed a slight against her. This was not warranted or acceptable behavior, and the fact that her response was to try to micromanage him, rather than simply move on to a partner that shares her belief is probably due to the fact that her belief is uncommon.

Should vegans get to "set boundaries" with those around them with regard to what they eat in private? Have you "crossed a boundary" with a religious person by refusing to convert? Perhaps you see the world this way, but most people do not. Perhaps you'd enjoy living in a society that more stringently regulates people's private lives: may I suggest China or the Middle East?