This is not correct; you're simply required to follow all applicable licenses at the same time. This may or may not be possible, but is in practice quite commonly done.
> Just because you can merge someone else’s code does not mean you’re legally allowed to do so.
> This may or may not be possible
I am not sure what you are saying, that is different from the comment you replied to.
> Just because you can merge someone else’s code does not mean you’re legally allowed to do so.
> This may or may not be possible
I am not sure what you are saying, that is different from the comment you replied to.