Discounting those kicks that went for a touchback, fair catches were made on only 11% of kickoffs.
Many coaches view the kickoff return as a big-play opportunity and won’t give up a return, when possible.
Coaches also object to the muffed called fair catch. If the receiving team recovers the ball, the line if scrimmage is the spot of recovery and not the 25-yard line.
ESPN.comThe new college football rule rewarding teams for making fair catches on kickoffs has not caught on like officiating supervisors expected, and more changes could be made in 2019 to further reduce kick returns or make them safer.
http://www.espn.com/college-football/story/_/id/25027647[https://www.google.com/amp/www.espn.com/college-football/story/_/id/25027647/more-changes-coming-college-kickoff-rules%3fplatform=amp]