I use self checkouts if I am getting just a few things. If I were going to buy a lot I'd go through a line with a cashier. It all depends how much you're going to buy I think.
I believe that if they're going to get technology to do everything for us then they'll have to figure out a different system besides capitalism or else people will die (maybe that's what they want). Sure, we'll still need things like doctors, lawyers, teachers, etc., but there can only be so many of those and I'm sure that if they can find a way to replace them eventually, they will. With talk of self driving cars (instead of taxi drivers), drones delivering your packages, burger flipping robots, robotic surgeons, and who knows what else, I think people are definitely in danger. Many physical stores are already closing anyways because of online shopping so there goes those jobs.
I just wish we could freeze technology exactly where it is right now. At this moment in time, humans and technology seem to be coexisting just fine. Unfortunately, that isn't going to happen and I am concerned for the future.