[jedrek]

Obfuscating usernames with real names and no ignore are also massive downsides.

[gkop]

Fyi, you can fix the usernames issue in Preferences > Message Display > Message Options.

[CydeWeys]

That was the biggest annoyance I experienced at companies that based their communications around IM clients like AIM or Gtalk. My previous company switched to HipChat at some point and everyone showing up as their real name instead of some stupid username was a surprisingly huge improvement.