Veep is a satirization of all power-hungry politicians, neutral to their party, past, or principles. But most importantly, it's telling its own story. This is a serialized narrative that refuses to rewrite history in order to mock it.
What Veep is now providing, in contrast to its previous seasons, is a sense of moral stability: Here are a bunch of incompetent people who are living, finally, with the ramifications of their incompetence.
This new season of Veep is the political satire we need right now. It lampoons the outsized egos and fumbling of a crew of Washington knuckleheads just as dysfunction in real life politics is front-page news.