I think a lot of it shook out of the hippie movement, where some people were just self serving narcissists that wanted to do drugs, have sex, and didn’t want fight in a war. Then when they got families and jobs they didn’t want government “stealing” their money to help other people, and so they “became” conservatives.
So they just assume narcissistic motivation applies to everyone.
It’s not really luxury though - the orders are often wrong, the food is cold, and it is one of the slowest ways of getting food to eat.
I get that boycotts don’t work, but who the fuck is still paying double/triple instead of picking it up themselves on their way home or just driving out to get it - I haven’t ordered third party delivery since the pandemic since there’s no way I can justify the stupid high cost.
Rimworld is probably the closest thing to that right now. Watch your village starve as their clothes wear out and they get frostbite.
Or dwarf fortress if you want to get medieval