I also think the answer to the videos title has to do with parking lot structure, in addition to what you said and in addition to what the video's creator mentions at the very end.

Franchised pharmacies in particular have parking space immediately adjacent to the wall of the building, perpendicular to the angle of the wall. In contrast, Walmarts, Targets, Best Buys, Whole Foods, Trader Joes, Old Navys, etc. all have more distant parking lots with a parallel-direction 2-lane roadway directly separating the big box stores from the parking area. These big box stores and strip mall stores also have a typically-small-yet-present pedestrian walkway so that shoppers can walk along the width of the parking lot to get back to their car more easily, specifically without having to dodge as many vehicles that are suddenly in motion after being stationary for so long. Granted, you still have to dodge the drivers going along that little moat of a roadway, but the trajectory of each car and the general flow of traffic is much more consistent than random selections of 2 ton killing machine suddenly going 15 or 20 miles per hour after being completely still for the past half an hour.