You may believe yourself and your actions to be ignored by the watchers, but you might still want everyone in general to be free of watchers. Both since being constantly watched is detrimental to the human condition, but also since some people may actually dare to improve society if they are not watched.

For a longer argument, see The Eternal Value of Privacy, by Bruce Schneier in 2006: <https://web.archive.org/web/20241203195026/https://www.wired...>.