It means they can have senate and house majority leadership and control what gets voted on. It also makes Joe Manchin the most important person in the senate outside of Chuck Schumer because he will be the tie breaker vote and not Kamala Harris.honestly, the dems arent actually abolishing the filibuster with 50/50
as far as i can tell, it mostly means biden doesnt have to deal with mitch blocking his cabinet, judges, etc, but the dems arent passing much huge sweeping shyt