Most studios will have TA's so if the studio dosnt allow each artists to install 3rd party scripts you can likely talk to the TA and either have them test said script or to have him understand the problem it solves so he can write something for the studio to use. As a former TA half my job was understanding the workflow of…
Hah, of course we use 3rd party scripts, why wouldn't we, whatever optimizes your time. I believe the more tools you have the less time it takes to do something.
I worked for a developer that had a contract with a publisher that did not allow the use of freeware and open source. Included in that was free scripts from Scriptspot and similar places. There was no audit of software used so they didn't know if I did or did not use freeware.
If so, that's clearly the users fault — they've failed to learn from their practical experience. That's got nothing to do with using x or y software exclusively. It's like people saying dDo is bad because without it people won't know what they're doing. Well duh, if your expertise is applying presets and calling it done…