Political labels are a function of parties which are a natural outgrowth of our first-past-the-post, instead of proportional, system. When all anyone needs in a given district is to get the slimmest majority, that's all the goal is. This naturally leads to parties being big tent enough to win, favoring vague inclusion and membership over firm policy positions. All smaller, policy-based parties are driven out as they can't get a strict majority so lose ALL power, the only thing we're left with being the party currently in power and their opposition, both fighting for that 50.000001% majority(or if third party spoilers actually stay in for no reason, even less than that. Thank you
@Marleydogg).
Call yourself an independent, a Libertarian, or a unicorn. But all political power in America has been consolidated in our two parties because of the structure of our system. A third party cannot rise, they will just replace one of the current two even if they beat the odds and are successful, repeating the cycle. As has always happened in American history. We are forced to pick a side in this country, and anyone who tells you they haven't is either smugly lying or completely ignorant.