Many new customer become fustrated when they do not hear from PM mods for days or see their messages are unread.
In high volume times there should be a banner or announcement which says "we are currently working on messaged recieved on day x, please be patient and please only send one message as we work in the order messages are recieved. this shoulld be updated daily
I know this was discussed last year but didn;t find a Public Lab post.