He is picked and banned in pro play without dominating to an unreasonable degree. He is played by several high elo players now, including Faker.
He maintains a reasonable win and play rate for the champion he is.
There is not a single complaint about Volibear being too strong anywhere you look despite performing well.
This is the peak; this is the optimal situation any champion could hope to be in. Literally, stop everything you're doing and rework Shyvana instead, because a rework will just fuck up this legitimately perfect state of absolute Zen that Volibear has achieved.
Cancel the rework.