The basic idea is that Wikipedia articles evolve over time. If one checks today, many articles don't even exist and others are in their preliminary stages (stub

The basic idea is that Wikipedia articles evolve over time. If one checks today, many articles don't even exist and others are in their preliminary stages (stubs). That doesn't mean Wikipedia as a whole is bad. There are thousands of articles that are mature enough and provide valuable information. If you had the perfect definition for "conflict of interest", you could have well edited the article and added your definition. Its always better to light the lamp than blame darkness.