Nothing is worse than receiving an email which is ill thought out or just unprofessional. It is a quick way to get put into spam or lose trust in a business relationship. Keeping your communications professional, to the point and on brand will increase efficiency in your organization and build trust with those you are working with.
There are so many ways to write emails, we take the approach of less is more and to keep things short and concise. Nobody has time to read a novel sent to them!