For me its the left hand comfort and the weight advantages that make the difference. I have a Mustang and a Serek, both 30" scales and super easy to play. I also have a beat up Alembic Spoiler with a medium scale (32") which is not especially light but is also fun. Less fun is a Shergold Marathon I recently bought in a wave of 70's/80s Factory records nostalgia (I am a big fan of A Certain Ratio) with a chunky neck and 34" scale. I intend to keep it as they are very hard to get hold of and one day I just might want to play in a band that it fits in, but I simply do not pick it up over my short/medium scales.