The power of a proper MIDI editor...
-with layered MIDI editing like in Presonus Studio One. You can select which tracks you can see in the background on the currently MIDI track which you are editing.
-deleting MIDI notes also with the pen and mouse tool with one click (right click or one more left click!)
-creative MIDI functions like mirroring, backward
and making chords and a scale display
-better visible colors of the MIDI clips
-editing MIDI also when sequencer is running and hear the current MIDI note