Probably not something we'll do anything about, but something I figured I'd point out is that when you aren't logged in, you can view suggestions, and click the vote buttons, just then nothing happens.
SixLinks Developers' response:
We should provide feedback that nothing's happening because you're not logged in.
Tomo Says:Becoming a supporting member is easy. Just donate any amount to SixLinks monthly. Really, that's it, and that's how we keep running!