That's a cop-out. Voting the party line is just pushing the process back a level. SOMEONE has to select who the party candidates ARE.
The reason that political parties were so despised by Founding Fathers is that they take on a life and allegiance of their own. People do things for the Party, not for the Country. Witness what happened to John McCain.
Parties, in turn devote their allegiance to Ideology. Id(iot)ology is basically adopting a one-size-fits-all approach to problems, whether that size helps or hurts.
In short, too much of American politics operates less on careful thought and more on knee-jerk reaction to a litmus test (to mix metaphors). If the voters would responsibly select who their parties represented, the parties would field responsible candidates. Instead it's all duckspeak and litmus tests because the people who actually vote aren't really interested in thinking things through themselves.
That's what makes drafting people in to vote willy-nilly even less appealing. If we do so badly with those who will at least make the effort to show up when they don't have to, then what would we get if they were joined by people who simply blindly checked things just to get out of the polling booth as quickly as possible.
Never mind. At this stage, we'd probably be better off with random chance anyway.