We are considering some leafless gutter guards. I've read varying opinions online about them. Some swear by them. Others say they're garbage. One thing I've read is that even with with the guards in place, the gutters still should be cleaned once a year or so. Wouldn't that defeat the purpose of having the guards? Had a local contractor quote a price and they use either the Gutterglove Pro or Xtreme Gutter Guard.