Worn or deteriorated roof covering materials occasionally loosen from their fasteners and lift away from the roof which creates an uneven appearance.
Uneven roof ridge.
The dutch gable hip roof is a hybrid of a gable and hip type of roof.
Sometimes you can adjust gutters and vents for a more uniform appearance.
Crooked gutters can make a roof look crooked even if the roofline itself is straight.
Exposure to wind rain and sun further deteriorates the roof coverings often resulting in shingles or roof panels that appear to be peeling off of the structure.
Having an uneven ridge line would by no means cause any leaks any leaks could be caused by how well the ridges were mucked on or the felt beneath the tiles having any holes tears in.
The shingles on your roof serve a dual purpose.
Lumpy bumpy or curling shingles that do not.
This style also improves the look of the roof providing a more unique and interesting design than the very common simple hip roof.
It is all dependant whether you want an even ridge line in which case then they would have to be stripped off and the ridge line levelled out.
Roof shingles are not lying flat.
Sometimes an uneven roof is simply a sign of minor errors or aberrations in construction.
The secret to drawing an uneven ridge line or multiple levels on the same roof is to make sure the eave height and roof pitch are correct in the property screen.