I saw this post 4 years ago that kind of answers my question, but I feel its not quite explaining it enough
https://community.atlassian.com/t5/Jira-questions/Fields-configuration-vs-Screen-scheme/qaq-p/579123#U1745326
Why do we need 2 separate things for fields - field config and screen scheme ?
Why cant these things just appear as config params in the screen scheme ?
Otherwise you can list a field in a screen and then its not visible because the the screen scheme hides it - why put it in the screen then ?
Would there ever be a case where the screen scheme wouldnt be enough to describe what you want ? For each screen scheme attached to a type you can only have one field config, so when would there be a reason to create multiples. If you could have multiple configs it would make sense. I am missing something obviously, can someone explain how this makes sense.