Faith has been a stat since Demon's Souls and two starting classes in ER begin with faith spells, but somehow you can't expect normal players to use it.
Arcane is a new stat in ER and no starting class begins with arcane spells or weapons with arcane scaling, but apparently it is the choice stat for normal players.
You people are really grasping at straws here.
And it has been a fairly difficult spec to get into on your first playthrough since DS1.
In DS1 you had to do Solaires rather not so straightforward quest to get the lightning spell(the only good offensive spell for FAITH builds for the majority of the game).
In DS2 it was OK but as far as I remember the core offensive spells took a while to get(although I could be entirely wrong on that one)
DS3 Faith is just straight so garbage that not even
memetubers could dress it up to even look viable.
Bloodborne does not have it, neither does Sekiro.
Demon's Souls is the only game where I would say its good without reservation but that is mostly because the level of healing it provides is kind of busted when you farm up enough grass to have infinite mana. God's Wrath is cool but I would never pick it over soul ray if I had to.