The technique is called argumentum ad nauseam. It is based on the notion that a lie, repeated often and forcibly, gains the legitimacy of truth.
Many conservatives did exercise their franchise. They simply voted against bad legislation. Prop 68 was an excellent example of an attempt to indemnify cronies and delay logical consequences until after 2010. The largest plurality of nay sayers were Democrat partisans but the next largest was conservative Republicans.
Show me the percentage of registered Repub voters that voted.
Why no mention of the anti union and anti abortion props?
You kept silent then, too.
Bitterness doesn't win elections or change minds or laws. Ask "Pro-Arnold" McClintock or Reagan.