Lack of consistent samples is not an issue with professional use of MIDI.
Professionals (musicians, engineers, etc) don't use MIDI as a general-purpose playback method, they use it to control their samplers, synths, external effects units etc.
They don't need "consistent samples" because they provide their own samples, different for every song (plus pure synth sounds, etc).
Professionals (musicians, engineers, etc) don't use MIDI as a general-purpose playback method, they use it to control their samplers, synths, external effects units etc.
They don't need "consistent samples" because they provide their own samples, different for every song (plus pure synth sounds, etc).