It's not clear whether under copyright law consumers can strip advertising from web pages. One legal theory is that the stripped page is a derivative work. Under copyright law, rightsholders can reserve the right to create derivatives for themselves.
As noted, Symantec has dropped the adblocking feature from the 2008 version of Norton Internet Security. The poll results are in:
The number of voters is small--37--but the sentiment is clear: restore ad blocking.
