Because it has no scientific explanation. As a matter of fact it has no explanation.
The things that black cats cause bad luck are a myth, and do not have any proof or explanation, meaning it cannot be concluded neither as a hypothesis nor scientific.
Hope it helped,
BioTeacher101
Answer:
While not scientifically or historically proven, it's hard to deny that black cats look a little creepy. Black has long been a color of misfortune and ill-omen, so they've already got that against them. Plus, many black cats also naturally have glowing yellow eyes, which adds an eerie quality to their appearance.
Explanation:
