Because even when it is discovered, there is little or no penalty. Which ensures it will happen again in future.
http://blogs.wsj.com/digits/2013/08/23/stolen-photo-wins-samsung-camera-contest/?mod=trending_now_4
Full name, identity number, address and photo of the culprit should be announced on Internet.
If his employer or company is known, a notice of the theft should be filed with them.
All his friends on Facebook should be notified.
This may be cross boundary i.e. photo thief may be living in another country. May be difficult to prosecute; except socially.
http://blogs.wsj.com/digits/2013/08/23/stolen-photo-wins-samsung-camera-contest/?mod=trending_now_4
Full name, identity number, address and photo of the culprit should be announced on Internet.
If his employer or company is known, a notice of the theft should be filed with them.
All his friends on Facebook should be notified.
This may be cross boundary i.e. photo thief may be living in another country. May be difficult to prosecute; except socially.