Hyper-Mobility, Dashes and ETC . . . Maybe It's Time to Revert Rylai Nerfs?

The slow on this item was nerfed awhile ago. With more and more champions being able to blink, jump over walls, teleport all over the place, get out of CC effects and more . . . it might be time to increase the slow again so immobile mages and some supports can kite better. It's getting really out of control with how much hyper-mobility that is being added into this game right now. We have champions that can one shot players, get out of strategic plays almost every single teamfight, and do a lot of outrageous things that make it impossible for characters with no mobility to do anything.
Even nerfing damage is not going to stop a tank from running down at me, or an assassin from jumping over a wall because I cannot get to him. or any character with a speed-up move that makes it impossible to catch them.
hitbox size but who ever it hits is grounded for X seconds