In short, Kanban does not encourage silo culture. Kanban board signals where necessary collaboration is needed by making polices explicit, helping decision making and flow management. All the team has to do is follow the guidance shown by Kanban and take necessary actions. These are the properties of a self organized T-shaped team if you ask me.  Instead of imposing/forcing them to be self organized and work in a T-shaped manner Kanban lets them choose to work this way if it is appropriate. The team decides.
This article was published by Alper Tonga on May 8, 2017. You can access the original here.