Unfortunately, I've had several idiot project managers like that, who just do not understand the "point" of coding, and don't understand why project development

Unfortunately, I've had several idiot project managers like that, who just do not understand the "point" of coding, and don't understand why project development takes as much as it does, why there are bugs, etc. These people are not fit to be project managers. You cannot manage what you don't have a basic understanding of and appreciate.