I work at a Walmart Supercenter that opened last year. (There can be a difference compared to new stores from even four years ago.) I do agree that the tiles help with the sound (as we moved from an old Walmart that had the drop down tile ceiling, and it was quieter.) I am guessing that Walmart would say they do so because of the cost savings, EDLC (Every Day Low Costs) leads to EDLP (Every Day Low Prices for our customers.) 😛fft: Anyway, I like the skylights. Even with with "Dynamic Lighting" as I like to call the clouds and skylights, I enjoy the natural light as opposed to the fluorescents all day (I think of being in school with those lights.) I guess at the end of the day, I don't look up all that much anyway, so I have gotten used to it. I also hate tile floors. Many of the old Walmart's have white tile floor, even some of the supercenters and it just looks so bad. I understand the reflectivity effect they have, but they get so scuffed and just looked worse. I definitely prefer the cement and wood floors that stores now have. Some other strange things have happened too.
When we opened our new store, we were built during the "Project Impact" time at Walmart. What I hear is that we hired a bunch of former Target Marketing people to help us with our image as a company as a whole. With this, we cleared out our Action Alley (The main track around the store) no more displays in the middle of the main aisles. We also have a store where the Pharmacy is also close to where your Pharmacy in Supercenters is. (Kind of in the middle of the store on the grocery side.) We then also had areas of the store where the side-counters were not as high. In the shoes and the pets area (Think of the height of your shoes side-counters.) Well, turns out, we had a lot of lost sales. Our profits went down quite a bit as a company. Thus the death of project impact. Back come the tall side-counters in pets and shoes, and back come the pallets in the middle of Action Alley. I myself loathed the return, as I think it does look messier. (But the sales are higher) Anyway, because our store was built during the Target-Style-Era (if you will) we had narrower main aisles to begin with (Why build the aisles wide if there are not going to be pallets in them?) So we had to remove a four-foot section from each and every side-counter on the Action Alley to make room for the pallets. Talk about dumb. But, live and learn...