What civilisation?
Well maybe civilization was not the right word as such but the look of their ship, their technology, their crew is made up of so many alien races compared to TOS where it was all human and one Vulcan and the idea of a multiracial alien ship should be set in the far future rather than before Kirk (even TNG was primarily a human run ship) plus DSC even ignores continuity from ENT regarding the Klingons so it's ridiculous to try to rein this in to established Trek lore!

JB