I don't believe that this is true. FL Studio had a bit of a dated 00's design for a while. Cubase, Reason, and Pro Tools were also not flat either. I'm not sure

I don't believe that this is true. FL Studio had a bit of a dated 00's design for a while. Cubase, Reason, and Pro Tools were also not flat either. I'm not sure that "always" is accurate. Though, Ableton has been flat since 1.0 it seems.