Interesting, a leader of a Top 100 squad with over 100k medals. Can't imagine that he'll risk his account with cheating. In this case I tend to believe that it was not a cheat.
There are glitches in the game. I.e. when you receive SC units while scouting a base and use these in attacks they are probably not accounted in the replay.
Look at the load out, NatureBoy was attacking with and judge for yourself if a 100% would've been possible with it. A game replay is not recorded as video but only by the time and number of dropped units which is then "re-simulated" in a replay. A single variable fails (like SC handling) and the outcome could be completely different.
(Rebels/Android/iOS). Just PM me here/LINE:lleyleber or request in game with a meaningful text. If you want to take part in wars, lv7+ is useful.