I think she just means she doesn't like frugality as a form of asceticism and self-denial, she thinks there should be room for joy and "frivolous" spending within reason. (Her point is that frugality is sometimes viewed as a normative call to reduce spending to only essentials, and that isn't necessarily a happy or healthy approach.)

yeah I'm not watching half an hour of this amateur production spouting (based on 5 mins of skimming) obvious and bullshit takes