"Perhaps we should organize a meaningful, nonviolent protest."
We did. It was called "The Tea Party."
It was attacked by both the Democrat AND the Republican establishments as 'terrorist", 'radical', 'extremist', etc.
How could Conservatives hope to improve on it? They were articulate, respectful, patriotic, and rallyed around a clear, unified theme: Lower taxes; smaller government.
They were demagogued by both sides into ineffectiveness.