Blog search was good, Technorati was good, google reader was good.
But I agree, if it doesn't have a blogroll it is safe to ignore the blog. It might even be considered the single identifier that separates the blogs from the spam.
It’s always “safe to ignore” a blog because there’s seldom actual negative consequences for doing so. If you want to use such a silly, absurd heuristic, feel free to pay the opportunity cost. Pointless nostalgia-driven web surfing at its finest.
But I agree, if it doesn't have a blogroll it is safe to ignore the blog. It might even be considered the single identifier that separates the blogs from the spam.