I don't necessarily disagree that this might be too niche to be a viable business, but I think you're being overly dismissive and ignoring that there is at leas

I don't necessarily disagree that this might be too niche to be a viable business, but I think you're being overly dismissive and ignoring that there is at least some market for people who do just want to restock the same coffee all the time. You could apply your argument to any consumable item, it isn't coffee-specific. Lots of people figure out the one they like and stick with it. I know people who order the same coffee all the time. Is it a big enough inconvenience for them to need it automated? I don't know. But they don't care about chit chat with clerks.