Have you ever scanned down a list of knitting event teachers bio photos and noticed that many of them are not wearing hand knit garments? Did you notice next, that the ones who are sporting something hand knit are often showing an accessory?
Why do you think that happens?
I suspect the main reason is that the samples of the garments they design don't fit. Samples are knit in small sizes to fit tall models. Some publications request the samples to be produced with longer measurements than the pattern is written with. Most of us don't make much money so we move on to the next design before we can knit something for ourselves.
Very few women fit into those small sizes and often for the designer to have a garment to wear in public and properly showcase the design, further pattern customizations are required. In my case, I need more room on the front of a garment, shorter than average sleeves, a narrower shoulder and a shorter armhole depth which then requires sleeve cap changes.
I really enjoyed reading Amy Herzog's post here.
Amy says "Unfortunately, designers don’t actually get much time to knit sweaters
for themselves… …and even less time to knit already-released sweaters
for themselves." Further down in the post she shares the modifications to the pattern which make the garment flatter her specific shape.
If I was a fairy godmother I would wave my magic wand and make every knitter understand that modifications are normal and are required. Everyone would pick their patterns and have the necessary knowledge to make the garment fit them.