The White House raised concerns over the weekend, pledging to work with Congress to battle piracy and counterfeiting while defending free expression, privacy and innovation in the Internet. The administration signaled it might use its veto power, if necessary.
That the bill seems unlikely to pass is another reason Lawton opposes the blackout.
"I think there are far more important things for the organization to focus aside from legislation that isn't likely to pass anyway," he said. He's been contributing to Wikipedia for eight years.
Danny Chia, another contributor to the site, said he had mixed feelings about the blackout. The neutrality applies to the content, but a lot of people interpret it as being about the site as a whole, said the Los Altos, Calif., software engineer.
In an online discussion, others raised the same point about the blackout: Appearances matter, and if the audience sees Wikipedia taking a stand, it might not believe the articles are objective, either.
Wikipedia has seen a small decline in participation, from a peak of 100,000 active editors a year ago to about 90,000 now. Wikimedia Foundation blames this mainly on outdated editing tools, and believes it can get the number growing again with software upgrades.