He viewed the Buster Call itself as justified and probably still does, yes. He probably also viewed the Scholars’ execution as justified. He probably doesn’t lose any sleep over killing Saul either.
But the point
@EmperorKinyagi was making, was that Aokiji murdered civilians on Tottoland, because he viewed Sakazuki’s murder of civilians on O’Hara as justified.
Which, like I said, is the dumbest fucking statement of all time. Lol