Which really seems to be the sort of thing that belongs in the configuration menu, if the addon author was actually being sincere.
It's not actually illegal. It is, however, apparently against the Mozilla Addon ToU (https://addons.mozilla.org/en-US/firefox/pages/policy) - that was the original terms under which the ABP author asked the NS author to remove the code in NS that intentionally harmed ABP's operation.
A few holiday achievements would be interesting - Christmas, Thanksgiving, Valentines Day, etc. Just to let everyone know about all those days you could/should have been spending with family, that you got to spend posting on Slashdot instead
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