Sometimes you can adjust gutters and vents for a more uniform appearance.
Uneven roof ridge.
They give the roof a finished look while forming a protective seal.
Roof shingles are not lying flat.
This style also improves the look of the roof providing a more unique and interesting design than the very common simple hip roof.
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.
At other times the gutters may need to stay where they are so gravity can do its work.
A full or partial gable can be found at the end of the ridge in the roof allowing for a greater amount of internal roof space.
Crooked gutters can make a roof look crooked even if the roofline itself is straight.
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.
The shingles on your roof serve a dual purpose.
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.
Sometimes an uneven roof is simply a sign of minor errors or aberrations in construction.
Lumpy bumpy or curling shingles that do not.