Current State of Olaf

I started playing League after Olaf had been super nerfed because Voyboy exploited him in the LCS (the double kill turnaround :O). I played him a couple of times in that time period because I saw a Voyboy stream once were he showed how to build him.

Then Riot did a semi-overhaul of his kit; you lost the passive armour when you activate ult, E scales of AD and autoattacks lower the cooldown etc. I remember trying to play him again, but I couldn't really figure out what his new playstyle was supposed to be; you couldn't really just stack health anymore and be a disruptive tank, but at the same time you couldn't just build Hydra and BotRK because once you activated ult you were squishy. I essentially tossed him aside since then.

I decided to pick him up AGAIN a couple of days ago. I feel like the buff to his ult was one of the best QOL buffs ever, it put him in a really good place now. The recent change to Black Cleaver I feel was almost made for Olaf; you get some health, some CDR and the rage passive works perfectly with axes. You can quite feasibly build him as a bruiser now, going Black Cleaver and then some resistances, or Hydra/BotRK if you are doing really well early, and I feel like Righteous Glory replaces the utility Shurelyas (RIP) provided if you had enough damage dealers on your team or if you are behind.

So, what are people's thoughts about the current state of our friendly neighbourhood viking?