I'm sure some of these strawman exist in a field somewhere keeping the crows away.
Democrats need to get rid of First Past The Post voting in the blue states they control. Time to admit they need help and shouldn't be going alone against the republicans
More democracy.
More chances to defeat the republicans.
More people engaged and involved in the political process.
More people voting = more votes for democrats.
More chances of republicans electing a more moderate candidate.
Electoral reform is an absolute win for the people of this country. Except for the legacy poltical parties. They will unfortunately have to compete for your vote. If they are unable to stay relevant, that's on them for becoming weak and frail using FPTP as a crutch.