Well thought out post.
While I don’t believe Sanders had much chance in a general election he obviously scared the Dem establishment enough to make it worth the risk to cheat him out of his opportunity.
As to the deep state you are dead on target. This shadow government has been in place for decades and has spent its time doing what all viruses do. Replicating.
This is the end result of any bureaucratic system. Eventually the bureaucrats realize they have power and since they answer to no one, they use it to gain more.