Yes its a more general general usage. But it still stands. Power that is secure is power to corrupt. What better way is there to get your concerns and philosophy out there. If you gain traction in the primary. Even if you lose, the winner of the primary will often adopt popular positions.

It’s got nothing to do with purity. It’s just about challenging power and promoting participation. Purity test implies pushing a specific agenda. But that isn’t what I was advocating for.