and likened the tone to the Guardians of the Galaxy movies.
Oh good, a light-hearted romp where half the characters act like idiots, that's exactly what a Star Trek movie about a clandestine blackops organization.
They outright said in DS9 that it was supposed to be a fleet or swarm. The idea was that a large number of Defiant Class ships would attack. With how fast and maneuverable they are they wouldn't be large sitting ducks like Nebula, Galaxay or Excelsior classes.