Need mark in-game messages READ not Unread

Many in-game messages are short and don't need to be opened. So, it would be nice to mark them read in mass. Why is there a button to mark messages unread (and not read)?
Community forum
http://forum-365.strat-o-matic.com/community/
http://forum-365.strat-o-matic.com/community/viewtopic.php?f=12&t=645663