Guy Chapman aka JzG wrote:
Which is, I presume, why Jossi used the word "may".
As usual the exception proves the rule; the vast majority of things verifiable solely from blogs are indeed uttery unsuitable.
But this is orthogonal to the issue of reliable sourcing. Jossi started by arguing against the "general principle that each article should be based on the most reliable sources available for that topic." The notability of the topic _itself_ wasn't originally an issue.