Evaluate the valence intensity of the following snippet, considering the mental state of the author. Present a score between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Snippet: To the Editor: Automobile insurance rates may be rising at an alarming rate in many states (''Insurance Rates Rouse Drivers to Protest,'' Consumers World page, March 5), but by no means do such increases represent a national trend.