I felt that hoods can detract from the lines of the garment and cause one to focus their attention to the hood rather than the garment.
My current style for clear rainwear is to have detached bonnets that I can wear only when needed and then carry separately when not needed, creating a cleaner appearance of the garment.
I also find myself prefering clear rain bonnets over clear hoods because the bonnet allows more room inside and is easier to make