Sejuani's rework is a fail.
Loss of pickrates, unneeded bans due to exploitation by pros, loss of individual carrying power due to her "needing melee allies to hit for her".
Sejuani used to be my favorite tank pick. No sustain. but with the trade off being beefy, doing aoe damage and having a MASSIVE cannon as her ult...just like a modern military tank! I used to love playing her, how she was a real threat to enemies. One of my favorite moves was to flank using righteous glory and T-sliding into them and shooting a perfect ult at the enemy team.
Now she just seems like a shadow of her former glory. She lost all the fun she had in her.