# Mastering React : Still dont understand why do we need to move responsibility in vidly App

**URL:** <https://forum.codewithmosh.com/t/mastering-react-still-dont-understand-why-do-we-need-to-move-responsibility-in-vidly-app/7365>\
**Category:** Uncategorized\
**Created:** [September 15, 2021, 7:20am UTC](https://forum.codewithmosh.com/t/mastering-react-still-dont-understand-why-do-we-need-to-move-responsibility-in-vidly-app/7365 "2021-09-15T07:20:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ahmad71](https://avatars.discourse-cdn.com/v4/letter/a/ac8455/32.png) [@Ahmad71](https://forum.codewithmosh.com/u/Ahmad71)\
**Post date:** [September 15, 2021, 7:20am UTC](https://forum.codewithmosh.com/t/mastering-react-still-dont-understand-why-do-we-need-to-move-responsibility-in-vidly-app/7365/1 "2021-09-15T07:20:01Z")

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What does Mosh meant by duplicating logic?

Check this post too know what I meant.

> [@Vidly: 18- Sorting- Moving Responsibility](https://forum.codewithmosh.com/t/vidly-18-sorting-moving-responsibility/264/2):
>
> Stuck o this too. even i didnt get it