AGPLv1 vs. AGPLv3

[opensource.*.nwo at neverbox.com]

AGPLv1 states modified versions must keep a "download source" link only if 
the original version actually had such a link. That line is gone from 
AGPLv3, which just casually states modified versions must supply their 
source.

So let's assume the original version really lacks such a link. Does it mean 
AGPLv3 users can't use the original version as-is? That is, until they 
create a whole sub-program that supports a "download source" link?

Thanks!