This article, posted June 25, shows how to remove all users signatures, commonly referred to as "sigs".
It provides an uncluttered thread of comments.
You can always reset it to show "sigs"
Shortcuts to mastering the comment thread. Use wisely.
C - Next Comment
X - Mark as Read
R - Reply
Z - Mark Read & Next
Shift + C - Previous
Shift + A - Mark All Read
Live comment alert: Hide it!