Indeed it's quite poor.

How about a "note" feature to be able to write a line or two about each member? (organisation, RP, whatever suits us)
I know we would appreciate noting nicknames from FFXI for instance, or main Job, etc.

Also, while it's elementary to know that someone is "in another world", I'd like to know which — would give the name of the instance, i.e. dungeon name, raid name, relic step, solo quest, whatever.

I also don't understand the discrepancy between LS and FC ergonomics: one allows us to "move online players to top", the other to display "online members only". I mean, the former is fine, so why make two different features, why aren't these UI a bit more consistent?

Last but not least, I'd like the "search info" pop up to be a mouse-over feature, not 2-clicks away. I know FF devs love us to click exponentially (sic), but at some point it's just frustrating and clunky.