I always published all of my code/papers/source for my publications. I never made anything "revolutionary" but I still felt it was important to produce reproducible research, even if relatively insignificant.

This was kind a change for my advisor who was definitely less interested in that aspect of research. I think this is an issue in academia and needs to change.

Also, ultimately if someone wants to copy and publish your work as their own it will be relatively easy to show that and the community as a whole will recognize it.

Also, for me it felt good when another student/researcher was aided by my work.

https://shankarkulumani.com/publications.html

You don't need to clean it up or make the code presentable. Everyone knows it's research grade code. Most important part is that you have the code in a state that you can reuse in the future for another publication.

I've been saved multiple times by being able to easily go back to decade old work and reproduce plots.