Ehhhhhhhhhhhhhhhh.
There's a pretty big space of reasonable patching strategies between "please nerf objectively broken and game-warping strat that's been here all season" and "please don't upend the entire game with giant class reworks immediately before the year-end international tournament".
The "been here all season" line is SUCH an exaggeration.
Ardent Censer Relic Shield was undiscovered until LCK summer playoffs where Afreeca pulled it out.