Front kicks are really hard to catch.
I never have found it too hard and then it's fall time and throat punch for the kill.
19 percent of karate stylists who hadnít kickboxed knocked out their opponents in violent situations. This is identical to the worldwide kickboxing KO rate of 19 percent.
20 percent of boxers knocked out their antagonists, compared to the 34-percent worldwide boxing KO rate. These fights were often urban street encounters that featured groups, weapons and indecisive resolutions.
90 percent of boxers involved in drunken brawls knocked out their opponents, with 10 percent sustaining hand injuries. Not one of those boxers jabbed.
36 percent of martial artists who had kickboxed knocked out their antagonists. These encounters reflect a wide variety of circumstances and correspond to the worldwide boxing KO rate. The side kick was the dominant KO strike.
47 percent of identified noncombat athletes scored KOs in brawls and self-defense situations. They were primarily large throwers (football players) and small punchers (rugby, softball and soccer players) taking the fight to low-cohesion groups of smaller males.https://blackbeltmag.com/mixed-martial-arts-training/boxing/knockout-and-concussion-statistics-for-violent-encounters/
Two of these guys are known kickers https://evolve-mma.com/blog/8-awesome-knockout-artists-mma/
A lot of the top fighters are strikers and grapplers.