We are grossly understaffed and underpaid to deal with such egregious understaffing.
Improve mainly their self-esteem and think beyond minimum wage if they are okay with working as hard as they do for it.
In Lexington, KY and its metropolitan area, many Pizza Huts are ran by NPC International whose trademark is to make sure their restaurants are as understaffed as possible and their kitchen staff makes nothing more than base minimum wage hourly.