Why not hire "devops" skill into each team instead of creating a silo? Massive reason behind devops is to get Dev teams to take more ownership of ops so they i

Why not hire "devops" skill into each team instead of creating a silo? Massive reason behind devops is to get Dev teams to take more ownership of ops so they improve their Dev practises, I don't see a dedicated team being able to improve the code base in the same way.