5. Open source software is lower quality.
The landscape of open source projects is no different from technology projects involving other types of software. There are projects of very high quality, some of very low quality, and plenty that lie somewhere in the middle. Open source software in many cases will be the superior option, but as with any technology, agencies must research options on a case-by-case basis, understand who contributes to an open source project, the background of these contributors, how active the project will be, and how many people use this project at an enterprise scale.