Sponsorblock is great but only works in the browser. Most people view YT on other devices.
Revanced Youtube's app support sponsorblock as well.
Yes and Tubular and SmartTubeNext (Android TV!) and Grayjay too. Many options
Tubular is a clone of Newpipe by the way, newpipe's devs didn't want to allow the sponsorblock plugin so it had to be forked.