Yes and no, abstractions dumbed down things for common users. But there are and will always be a set of power users who get into the details. Power users are the ones who abstract in the first place and abstraction is not a one time process. Abstraction keeps evolving too, hence there are going to be power users who know the capabilities and support in the evolution. This is any how stream works let alone software. There is no need for everyone to be a power user.