It's the other way around. Maybe you being pedantic doesn't suit the conversation.

She's not an astrophysicist so she shouldn't try to be one. Maybe she's not to your liking, but she has a job to do
and it isn't to train people on the laws of space. She's just there to talk about whatever she's there for and it isn't a class
in astrophysics.

In other words - Lighten up, Francis. Live a little.