Blurred gulls, or artistic photo.
But what value can have if it is so easy ?
Even Bruno D’Amicis in the caption of the last photo  on Naturephotoblog  seeks an answer to this question.
I do not know the answer , I know, however, that if  people
like this kind of photo is because this  respond to  the trend of the moment.
Photographs dreamy and ethereal, that want evoke emotions,
that were inspired by impressionist paintings etc.etc.

There was another historical period in which the photographers depicting bucolic landscapes and foliage and grassy paths in the woods.

The days that followed were fearful.