Obama disproved your theory by winning 100% of leftists, none of whom stayed home. TURNING OUT YOUR BASE COMPLETELY IS WHAT WINS.
He also won over people outside the base.
The Democrats have been shrewd enough to position themselves as moderates.
They know most people are not too ideological.
Sometimes they’re arrogant and overreach like they did in 2010.
But that proves the point - they still need a coalition to win.
“Obama disproved your theory by winning 100% of leftists”
Correction. 102%.