Font size in signatures

[Mailman]

I get that editing font size to a larger size is bad because it gets a lot of attention and it really is annoying, but to be honest, it doesn't even allow you to make the font size smaller (size 1), so it basically makes no sense to me.

 

[cim]

It's a badgeholder privilege I think.

 

[Colonel M]

EDIT: Yeah, it's a badgeholder privilege.