Definitely. Still though, many modern games' players would be well served by the FAQs of old instead of ad-laden, poorly researched wikis. And even for those games frequently updated, eventually they do tend to crystallize into a final version after 3-5 years. It's only games like Dota 2 which are constantly getting balance* patches which are a constant sync battle of development and documentation.

* more like humans are incapable of balancing a game of Dota 2's complexity. The cynic in me thinks they don't want to balance it, that that's part of their monetization strategy. Long term I think a balanced game is more fun for everyone, though.