This is a very simple plugin with a Single Settings screen.
Here is how to use this plugin
1. Go to Settings-> Disable Comments Post Categories
2. Select the Categories to disable comments on
What does this plugin do?
This plugin does 3 things
- Disable the commenst on the post using comments_open filter
- In case the theme does not make use of comment_open filter, the plugin loads an Empty Comment Template to hide the comments
- Deregister the comment-reply.js on respective posts.
If you want to dig deep into how the plugin works then refer to this post.
Thats it. If you face any trouble pls ask on the forums.