By all means feel free just to chat in the guestbook - as long as it's not spam!
Anybody with Admin below their name is definitely me or a trusted person. I myself will always sign as Butterfree. If somebody signs under that name but does not have the Admin label, it is most likely an impostor.
Commenting on: 11-17-13
Works pretty well to me
It's meant to be indented, as a way of indicating that it's a sub-option under "Ignore nonexistent combintions". It should be that way on desktops too.
I checked it on my 3DS' web browser, and it seems to work as you describe. The 'Symmetrical' checkbox is slightly indented, though, which may or may not be intentional.
Also, shiny Ninetales spam verification thingumajig! :D