"we're going to add a meaningful weakness to lee sin just as soon as worlds is over"

you were making a band-aid nerf to lee sin remember when you made band-aid nerfs to olaf or evelynn that completely dumpstered them? multiple times? why don't you just dumpster lee sin for a while until you remember that you're supposed to make him into a champion that players don't mind playing against? something with weaknesses that matter and are identifiable, not "he sortof but not really falls off in the late game, but he's actually still fine then just comparatively crap because his early game is off-the-charts godly"

maybe he should be a mobile assassin and duelist and should lose his slow and reduce the distance on his knockback maybe he should be a team support and should lose his %hp execute and generally high burst damage maybe he should be a strong initiator and play maker and should lose his as steroid and have his energy costs increased so he has to make choices about his abilities and not cast them as often

or maybe he can just keep making many junglers obsolete and having players who don't pick him constantly think in the back of their heads that "if i actually bothered to learn lee sin i could do everything the champion i like does and more, maybe i should sell off some of the fun i have with the champion i like so i can play something that i know is capable of taking me farther"