It doesn't expand her base. It's people who went in to vote for Pelosi and have two different avenues to do it. There isn't some waiting bloc of voters from the Unicorn Rainbow Farts Party that Pelosi now gains through "association," and even if there were, the "association" is that their party endorsed that candidate - just like any other political party. Every Pelosi voter will have their vote counted for Pelosi, whether or not they support the Democrat Party. You keep trying to explain why it's not "better" for voters but can't explain why it's worse for them, because it isn't