Investigation on this: T2674: Allow users to be blocked from editing a specific article or all articles inside a namespace
Is it feasible? Is it something we can work on for CTMania?
Proposal and discussion:
https://meta.wikimedia.org/wiki/2015_Community_Wishlist_Survey/Moderation_and_admin_tools#Enhanced_per-user.2C_per-article_protection_.2F_blocking