Evaluate the valence intensity of the following tweet, considering the mood of the author. Give a score between 0 and 1 inclusive, where 0 is the most negative and 1 is the most positive.
Tweet: @itvnews Pound has dropped despite #UK #Govt proposals - duh it's #BECAUSE of the #idiocy &amp; #arrogance of them that it's #dropped ☹️