Now try and take those turrets when the enemy team is grouped defending. Hint: You can't.
Reason top laners are able to split push effectively is because they are a SOLO lane with TP - AKA they can be the highest level in the game easily and have the XP + items to effectively 1v1 anyone.
Also TP allows you to group if needed.
Now put Yorick bot lane: let's say he even wins lane.
He's still a lower level than the opposing top lane so split pushing would get him killed, if he groups with his team ALL they can do is sit there and look the enemy team while they clear waves and you can't even get hits on the enemy tower.
Now let's say there's a super tank like Maokai on the enemy team - how do you propose Yorick avoids him?
Normally he avoids team fights/ can zone backline because of tankiness.
However - if he builds tanky he can't do shit to the tanks, if he builds full damage then fking lmao - good luck doing any damage at a safe distance (AKA not getting blown up by the opposing mid laner).
All I'm saying is if you think that a juggernaut can go bot lane effectively in competitive then you don't understand how the game works.
Morde works in SoloQ because of his passive and because people just love dying. You CAN run Darius bot lane ad win games easily - it's just that it'll never work in a competitive environment and is NEVER optimal