Why? We're hostage to a system that works against us. A media that has worked tirelessly to obscure the actual issues and divide the populace over nonsensical "socialism v capitalism" garbage. The politicians and their backers have hijacked the system to make sure nobody who's interested in actual change can get elected. And they've done all of this while convincing everyone that dissent is tantamount to treason, while they continue to erode our liberties, destroy our institutions, and rob us of what we built with our sweat and blood.
No. I won't be voting.
Washing your hands of it is not the answer. Start pushing for like minded people to take control of the politics in your school, city, county...