In short, she\’s decided that since she doesn\’t like shopping on Sundays then you shouldn\’t be able to either.
Her final line is a glory though. After whining bitterly about how capitalism insists upon creating desires which it can then satisfy, moaning about how it is nothing but production so as to facilitate unnecessary consumption she says:
In the meantime, have fun with your 24/7 home decoration centres – I\’m off to bake an apple pie instead.
That is, she\’s going to produce so as to unnecessarily consume: no one actually needs an apple pie, after all.