If you are more into display network on Google Ads, Always remember to remove sites that are pushing their users to click on ads.
Most news sites have only source of revenue – Google ads.
For this they push ads as much as possible. Even if these are brand websites, They are JUNK. Just exclude them without giving much thoughts.
They force users to click on ads and this will result in no conversion for you even if such news sites are Big brands.
Be careful to monitor your placements As much as possible.
Remove Mobile App advertising. They are pure junk. Even Pay per lead on google Display for Mobile ads will yield you junk leads. Almost all mobile app leads will be Fake , most propably filled by bots and click farms.