I have premium license, i cant tell you how much frustrated the entire team is after we woke up in the morning and found all the workspace washed by our member over misunderstanding.
Working in a team you can not control characters but as a tool, a software admin should have permission and ability to limit access to members.
Who ever is reading this, trello is only simple to use but NOT secure at all!
With the normal permission, a user can Archive, Delete Boards and cards.
Our entire workspace notes, files, references are gone, So strange.