He did, if the Fleet Admiral himself confirmed what lower level marines are saying is just a cheap excuse, then that's just what it is.
Let's say a pirate that can be beaten by an admiral that fights at full power attacks the holy land, if the admiral fights at full power maybe there will be some casualties or damage, but there's a good chance that the pirate is defeated, but if he brainlessly nerfs himself then the pirate will kill the admiral as well as whoever he wants in the holy land, the damage would be so much greater.
Also, I reported you