Is Wikiquote worth working on? I work on Wikipedia articles because I know that they are incredibly popular and will be read by hundreds of thousands in the long run, but Wikiquote has always been a backwater. (And it's not like quotes need much updating.)

Look at their statistics: http://wikistics.falsikon.de/latest/wikiquote/en/

Their most popular article is 1,994 hits a day. I can get that many hits in a month with an article on an anime: http://stats.grok.se/en/201011/Neon_Genesis_Evangelion_%28TV%29 Or I can get 1k hits a day sometimes with a relatively obscure programming language: http://stats.grok.se/en/201011/Haskell%20%28programming%20language%29

Some not especially prominent Wikipedia articles are within a factor or order of magnitude with Wikiquote's most popular article. That's really really sad. (And if you ever search for quotes, you will rarely see Wikiquote come up, too.)