Maybe I don't understand the problem as well as I should, and I'm open to hearing what it is you think that I'm missing.
But from my perspective, this is a solution for a non-problem, which in my eyes is a problem itself.
The use case you present is so small it can be ignored as an option, yet you present it as the only other option.
This is psychological projection.
You don't know what that means.
In any case, people who want to disseminate information with credit can do so without standing up a blog (any place that allows posting of comments, such as Reddit, HN, etc).
In the context of this discussion, we're talking about site owners; people who put up a blog.