For an alternative perspective: Sunday shopping is a boon to people who work or have other conflicts the rest of the time (e.g. work M-F, kids' games on Saturday).

Also for holidays: my mother really appreciated being able to work Thanksgiving, Xmas, July 4th etc because others really wanted that time to be with their families‡ -- those holidays meant nothing to us (immigrants) but meant that when she wanted someone to cover for her for some other day everybody owed her a favor (plus as a bonus people generally try not to go to the hospital those days -- she was an M.D.).

‡ (or perhaps it's simply that I was such a horrible kid that she was happy to be out of the house).

I’m thrilled that there are several places open on Sunday because I work a non-typical shift while keeping this whole Cloud Economy working. The standard 9-5, Monday-Friday work hours aren’t so “standard” in my corner of our industry.