Articles which look really bad are fixed quickly. Articles which are subtly unreliable and inaccurate are carefully disguised. Editors which are well-known are stalked, harassed, and face criticism and administrative action for the most minor of offenses. Editors which are not well-known are capable of blatantly ignoring the rules.
Every thing on Wikipedia is subject to change, which means anything you do is likely to eventually be destroyed, at some point.
