Sure, but its the potential scale that is important. There are also more scrolls still in the ground, which would make sense to dig out if they could be read.
I think it's a case of HN once again butchering the title. I submitted it as the exact title from our page on scrollprize.org, "An _Entire_ Herculaneum Scroll Has Been Read For The First Time", which is IIRC true.