My brain first started doing this with online ads as well.
The habit has adapted and evolved very strongly with the amount of exercise it gets from UIs, textbooks, signage, and basically every other visual medium possible these days. It has actually become a problem with how often I overlook important information due to it being situated in a "nothing useful will ever be here" zone. But it's difficult to consciously control that instinct when it's correct 99.999% of the time.
The habit has adapted and evolved very strongly with the amount of exercise it gets from UIs, textbooks, signage, and basically every other visual medium possible these days. It has actually become a problem with how often I overlook important information due to it being situated in a "nothing useful will ever be here" zone. But it's difficult to consciously control that instinct when it's correct 99.999% of the time.