It's good by the fact that it's incredibly catchy and makes you feel excited
Which is what music should invoke in you, some sort of feeling
Also every top 10 anime op is absolute trash and number 1 is always Your lie in april which is not great
I can also give a 10/10 to something like the original nier ost which created it's own specific language just to sing the songs
The composers gave the preliminary version of songs and the style they wished the language to be in, such as Scottish Gaelic or French, and the singer than invented the words.
The singer wrote songs in versions of Scottish Gaelic, Portuguese, Spanish, Italian, French, English and Japanese, and wrote "Song of the Ancients" in an entirely fictional language.
The singer also wrote that song by listening to songs in as many languages as possible and jumbling them up together. For the other languages, she tried to imagine what they would sound like after 1000 years of drifting.
So it's all entirely unique
And I think that deserves a 10/10https://www.youtube.com/watch?v=PqXPW0oBKgg
shadowlord is my favorite