Everyone had the means to purchase the groceries also had the means to go to the store. Carrying the groceries home was not an absolute necessity.

There were definitely social stigmas and various social stratifications that prevented people with the means to pay from engaging in 'normal commerce.'

I remarked to my younger Indian colleague that we're replacing tiffin-wallahs with grubhub for work and I'm not sure that's a positive development for the West and its various peoples.