You're not wrong, his rework is an overall nerf in comparison to live
His Q does less damage with less AP scaling and harder to achieve damage in exchange for situational CC, I don't know how much the slow has been effected either.
His W is the same far as I can tell.
His E was GUTTED, it does less damage and knocks up for .5 seconds down from one second and the only compensation to his main ability getting dumpster-ed is slightly lower charge times at like rank 3+.
His ult is harder to catch people with, no longer gives him an escape, and does wayyy less damage. Not to mention the ult does not spawn healing blobs like the old one, so you're getting no reduced cool down on W damage and no healing from his ult now.
He does way less damage with arguably less consistent CC now that his ult is terrible.
I have no idea why they are hitting him so hard when alot of people thought he was one of the better tanks and in a decent spot.