It is extremely obvious that he is being flippant yet geniuses really sat in the comments arguing about whether anime is satanic and using his sarcastic joke to "prove" he is a shill or criticize his conservative opinions
https://kotakuinaction2.win/p/15K6SmwTu2/matt-walsh-gets-asked-whats-your/c/
I maintain my stance that anime is Luciferian, not Satanic. It acts with goals that are divergent to God's, apart from it, but the goal itself is not to be actively against God.