This is the kind of anecdotal evidence that selectively reinforces previously held opinions. It is confirmation bias. It doesn’t actually prove anything.
There have been scandals in the past involving NCAA and NBA officials. Not recently. The temptation to cheat will always be present with people of low character, but conspiracies are very hard to maintain. People talk. People give themselves away by doing stupid things. People crack under pressure.
However, there is no question that-
Too many NCAA football and basketball officials are incompetent
Recent rules changes (targeting, roughness, UC, celebrating, hand-fighting) have made penalties too subjective, too complicated, and impossible to enforce fairly. Replay should help, but it hasn’t because camera angles are often inadequate, and because replay officials are reluctant to overrule field officials on some calls.