So, what's the most average anime of all time?
As in, "If there are a total of 10000 anime this would be ranked at 5000th" kind of anime.
Some kind of generic shounen battle anime or haremshit probably.
The Raildex series or Strike the Blood. Mediocre anime with generic premises
A one-cour made-to-promote manga/LN series from a decade or more ago that everyone has forgotten about by now, at a guess.
Arc the Lad