Three is a small number. A very very small number. A sample of size 3 is considered insufficient to draw any statistically significant conclusions. If you predict stock movements three times in a row, it doesn't make you a stock market guru. It could be just luck. In the same way, three title defenses could be just luck. It depends on your opponents, how good they are, if they have had any recent injuries, how they are feeling on the night, and many other idiosyncrasies... Therefore, we should be very careful not to draw any GOAT conclusions from this very small number!