I just want to draw attention to the following bit of Kaj’s comment, which seems like it should be really obvious but Rick’s original post seems to indicate wasn’t obvious to him:
You obviously cannot retroactively change the copyright status of already published posts without the express consent of their authors
You can “propose [] that all content on the site be subject to the [CC-BY] license”, but you can’t actually bring that state of affairs about.
I just want to draw attention to the following bit of Kaj’s comment, which seems like it should be really obvious but Rick’s original post seems to indicate wasn’t obvious to him:
You can “propose [] that all content on the site be subject to the [CC-BY] license”, but you can’t actually bring that state of affairs about.