It's nothing. For the global ones that need admin permissions to edit, it's no different from all the other code of mediawiki itself like the php. For the use

It's nothing. For the global ones that need admin permissions to edit, it's no different from all the other code of mediawiki itself like the php. For the user scripts, it's no worse than the fact that you can run tampermonkey in your browser and have it modify every page from evry site in whatever way your want.