[cosarara97]

> someone using/modifying my code in a proprietary program without crediting me

This is exactly it.

You had the rights to further protect your work, but you didn't. That's what he means about not caring about your rights.

[Khao]

So what do you recommend? I just open-sourced my first library and I chose MIT licence because I feel it was what was recommended by github when they ask you to choose a licence. I really didn't explore my options much.