I don't said than we didn't index such links but that we can't guarantee 90% success rate for everyone GSA links. GSA is good software problem is with user's lists. If You don't try yourself You can't see if it is suitable for You. Someone got 100% rate and someone got 1% success rate - this is true and depends on few things - mainly type of backlinks.
There are comparision on BHW for speed-links and other public services done by BHW members.
There are comparision on BHW for speed-links and other public services done by BHW members.