Please read the full proposal here: https://forum.alchemix.fi/public/d/303-aip-43-alchemix-v2-alusd-unguarded-launch-parameters
A vote "for" authorizes these initial parameters as well as the parameters for migrating the v1 debt cap to the v2 deposit cap over time.
A vote "against" doesn't authorize these parameters for the unguarded launch and debt cap migration and indicates a desire to find an alternative approach