Why did Warwick lose his AP ratio if he does mostly magic damage?

Don't get me wrong, the WW rework is awesome. I just don't get why he lost is AP ratio if he was suppose to be a highly accessible champ. He also does mostly magic damage.

See, old WW could build and be effective. It might not be the best build but it gave players options to mess around with.

I would have loved to see Riot further improve on his AP kit, instead they completely removed it. The funny part is he can't even build Armor pen items either because he does so much magic damage it would be pointless.

It seems like the only thing good on him is attack speed and tank items. Crit, armor pen and even AP won't work.

I feel like riot is slowly killing hybrid champs with the reworks. The only case where they improved a hybrid champ was Shaco. They kill AP Fiora/Poppy/WW/Kha zix, instead of improving their build diversity.

With the champion pool ever expanding, hybrid champs offer something that helps identify them as niche champs. Most of my fun playing lol comes from testing different builds.

Lately I've found and Armor pen items to be extremely good on MF

But it seems like riot doesn't really care about that. Most champs simply have 1 build path. RIP Runeglaive EZ.

Wheres the fun in that?