Here's the politics of Millennials I have observed, and they come in three main factions.

"racist and sexist" defining behavior, the SJW sorts, the hyper liberals, "we need more representation of peoples X Y and Z, you can only be racist if you aren't a minority, etc.

The "rational-conservative-libertarian" types. "the wage gap isn't true in the way it is commonly phrased", "Government needs to stay out of our business with regulations that serve corperations". However, "gay rights are good", "we should strive for equality", general support for welfare programs.

The "radical-conservative-libertarian" types. Hating all things leftist, all sorts of "racist" while not racist, probably over posting in /r/the_donald. Muslims are terrorists, Mexicans are bad, etc.

Gamergate was a clash between the lower two groups and the higher group. The current election, sanders, was the higher two groups vs the lower groups. The current election is the higher group vs the lower group.

This will be the new party definitions, with the middle group's support being the deciding factor, I think.

Right and left will find new definitions, and the new generation will start fighting one another on all the new issues the nation faces. Global warming, gay rights, and so on are old news and hallmarks of an era that is ending. To look at these issues having been decided and to say "the right is dead" is absurd. The right will never die, it will just shift with the times and find new positions on issues.