Ost Better: Khinsider

In the realm of anime fandom, a peculiar trend has emerged, sparking heated debates and passionate discussions among enthusiasts. The phrase "Khinsider OST Better" has become a rallying cry for those who argue that soundtracks composed by Khinsider, a pseudonymous musician, surpass the original soundtracks (OSTs) of various anime shows. But what lies behind this phenomenon, and is there any merit to the claim?