My channel from the early 2010s was taken down for 'hate speech' over a private video of a friend singing. I have no idea how it possibly could have been marked

My channel from the early 2010s was taken down for 'hate speech' over a private video of a friend singing. I have no idea how it possibly could have been marked as such, but there is basically nothing that you can do. Appealing the ban will most likely automatically be denied.