Oda stopped giving a shit ages ago. I doubt he can remember his own power system(s)
Sometimes the power creeps are just that easy to spot though. Like Sanji going from pretty fast in Dressrosa to burgeoning speedster in WCI.


I can't defend the Haki bullshit though.
It's not quite as dramatic of a misfired as black blades to me, but Oda's teetering on the edge of diminishing returns with it.
I don't think the depth of its presence was worth losing so much of how DF naturally interact, offset and counter each other.