Stops intrusive ads that literally take up 30% of your screen and move the website around making it difficult to read an article. But sponsored segments built into the video itself? It has none of these issues.
any ad disrupts the viewing experience and makes a video difficult/annoying to view.
a̶l̶s̶o̶,̶ ̶t̶h̶e̶ ̶i̶m̶p̶a̶c̶t̶ ̶o̶f̶ ̶s̶p̶o̶n̶s̶o̶r̶ ̶s̶e̶c̶t̶i̶o̶n̶s̶ ̶c̶a̶n̶ ̶o̶n̶l̶y̶ ̶b̶e̶ ̶m̶e̶a̶s̶u̶r̶e̶d̶ ̶b̶a̶s̶e̶d̶ ̶o̶n̶ ̶t̶h̶e̶ ̶t̶o̶t̶a̶l̶ ̶v̶i̶e̶w̶s̶ ̶o̶f̶ ̶t̶h̶e̶ ̶v̶i̶d̶e̶o̶,̶ ̶r̶e̶g̶a̶r̶d̶l̶e̶s̶s̶ ̶o̶f̶ ̶w̶h̶e̶t̶h̶e̶r̶ ̶p̶e̶o̶p̶l̶e̶ ̶a̶c̶t̶u̶a̶l̶l̶y̶ ̶s̶e̶e̶ ̶t̶h̶e̶ ̶a̶d̶ ̶o̶r̶ ̶n̶o̶t̶.̶ ̶i̶f̶ ̶i̶ ̶a̶m̶ ̶n̶o̶t̶ ̶i̶n̶t̶e̶r̶e̶s̶t̶e̶d̶ ̶i̶n̶ ̶t̶h̶e̶ ̶a̶d̶,̶ ̶t̶h̶e̶n̶ ̶b̶l̶o̶c̶k̶i̶n̶g̶ ̶i̶t̶ ̶f̶r̶o̶m̶ ̶v̶i̶e̶w̶ ̶m̶a̶k̶e̶s̶ ̶a̶b̶s̶o̶l̶u̶t̶e̶l̶y̶ ̶n̶o̶ ̶d̶i̶f̶f̶e̶r̶e̶n̶c̶e̶ (whereas adblock not loading an ad may reduce the exposure count) (correction: apparently youtube does show engagement over time, so it may be possible to figure out how many people skip ads)