It's a workaround for the new permissions system in Catalina being a complete mess from the get go. Previously, the Terminal in Catalina would pop up a dialogue asking for permission to access the file you'd just dragged in.
Good security or not, this entire system should not have been rolled out unless/until Apple had a sane UI for handing it. They don't.
Good security or not, this entire system should not have been rolled out unless/until Apple had a sane UI for handing it. They don't.