It is highly probable that Amazon violated federal "computer tampering" laws.
See
http://cid-c072ace4f752027c.spaces.live.com/blog/
Under this federal statute (18 USC Sec. 1030), there may be some significance to a distinction between accessing a protected device "without authorization" and "exceeding authorized access" -- a distinction that may be relevant to the discussion freezone and GlennD were having here.