How is this different now?
Damn. You got me there. Well, sort of. Unlike Sion's "update", Galio's had him still be the same class he used to be. Also, before I say more about Galio, yes, I know that Sion's kit was a mess, and keeping his kit like they did with Warwick would have been stupid. He needed changes. He needed to be either a burst mage, or a tanky melee carry, preferably the latter. Turning him into a CC tank was fucking stupid and uncalled for.
Back to Galio; While Galio is still a tanky mage, he's less of one now. He has more mobility, but less damage, and less tankiness. His kit is also more melee oriented than it used to be. I don't know what made them decide Galio loved to punch things. He had a high base AD, and his auto attack animation was pretty cool, and felt really nice, but that was it. His new taunt lacks the insane damage that it used to have, and his new ultimate doesn't make up for the loss in damage, either. Furthermore, it feels a lot more limited, as he can only use it on allies. While Old Galio only had the option of using it on himself, he could either use it to initiate a fight, protect himself, or protect his carries. He could also place his shield on himself OR allies, something that the new one can't do. Overall, he feels like less of a tanky mage to me, and not only that, but he feels like he has even LESS options than he used to, which is the opposite of what they did with all of the other reworks. As much as I hate Yorick's rework, I will admit that it gave him more options, and he has to make more important decisions now than he used to.
I'll agree that his Q and E weren't anything that special, with more focus on the former. I would have been just fine if they had removed them completely, and in some way kept his ult and shield more than they actually ended up doing, but that's not what they did. ALL of his abilities were drastically changed, to the point where he doesn't feel like Galio anymore for a lot of people. That's the problem when you change a champion's kit so drastically- They become a new champion. Of course, that's not the only factor. Their voice, visuals, and even lore help make them who they are, too. But when you change too much of it, they become someone else with the same name. That's why I constantly say that these are not updates. They are simply removing a champion and replacing them with someone else.
Also, Galio and Yorick WEREN'T bad picks. Galio had very high damage, as well as amazing sustain, and was incredibly tanky. His abilities were difficult to land sometimes, and yes, while certain champions could minimize his effectiveness, if the enemy team lacked those champions, they were pretty much fucked. Yorick, on the other hand, had a pretty poor early game. His trades were only slightly above average, and he had to push waves in order to sustain himself. Not to mention, he had big mana issues. These things made him easy targets for ganks, but once he hit late game, his damage, sustain, and tankiness all went through the roof. Even his mobility was pretty good, with the massive movement speed boost from his Q.
A rework should update a champion, while at the same time, keeping them as familiar as possible. This has not been the case for anyone but Warwick.