There is nothing wrong with feeling this way - it is often the truth. I've hired many people who were frustrated with their jobs, and I've quit jobs for this re

There is nothing wrong with feeling this way - it is often the truth. I've hired many people who were frustrated with their jobs, and I've quit jobs for this reason. But there is a way to communicate it professionally - simply say that you didn't feel challenged with the work and that you weren't learning anything. Just don't rant about how they were a bunch of idiots.