Take Bucharest's tiny Baneasa Airport from which I recently took a Wizzair flight when another Wizz and three Blue Air flights were leaving within an hour. Shocking delays at security, purely because the infrastructure and management were not geared up to handle five hundred passengers at once. I hope Wizzair is working with airports to address this issue, as otherwise passengers will be dissuaded from flying with them.
I see Baneasa hasn't changed since 2007 then, despite the 100% increase in passengers since then !
However I found the place quite amusing at the time. I liked sitting outside on the grass whilst waiting to check in! However I can see how it would annoy people!