axe url for lastposterby membername

I took out the link to the member profile page of the "last poster by". Is that a good idea? It still shows the last member's name, but doesn't add the link. I don't think it's at useful and just add more links. This helps link density?

Example:
http://www.physicsforums.com

btw if google recommends a max of 100 links per page, shouldn't it be wise to not have active users box shown? Some popular websites have 100+ users online, plus all their other links, it must be bad?

usually, we just use the vbseo option to only show to members, not guests.