List of things that were conspiracies
People don’t like calling these “conspiracies” because they carry such a baggage and connection with crazy conspiracy theorists. But just because someone says a group of people are doing something in secret doesn’t mean they are automatically crazy to believe that. To call something a conspiracy in the modern day is to also simultaneously discredit it but I think this is dangerous. History is full of harmful conspiracies conspiracies which are covered up by powerful people.
In general I think people are too unpredictable and chaotic to be able to conspire on massive scales in the modern age of mass media and recordings. My intuition is that the real truth is that no one is fully in-control and very few organizations are sophisticated enough to pull off secret plans on the large-scale many conspiracy theories operate on.
Massive scale conspiracies are hard to cover up because all it takes is a single plausible whistleblower.
I think a few things to keep in mind when evaluating conspiracy theories are: