I have only worked at one place that wanted informative error messages. All the others wanted to hide the reason because "if we know the reason and tell the us

I have only worked at one place that wanted informative error messages. All the others wanted to hide the reason because "if we know the reason and tell the user, we seem incompetent" or "then hackers will know which API call isn't working right" (apparently the network console in Chrome is beyond hackers) to wanting customers to be dependent as they paid for support.