In reply to liamando:
I would write a polite email to lyon expliaining then whole story and your slight disappointment.
If they are like you say they are, if they are totally trashed and look like they have had heavy use on the outer and the soles then their decision is possibly valid.
When you say a season in Scotland how often were they used or how many routes climbed?
A ski boot for example will probably last 10 to 12 weeks before it needs a new liner. That's 10 to 12 years for most people but only last a season if you are skiing every day.