If technology wasn't allowed on the sidelines, everyone would be on the same level. Keep the analysis in the locker room, not the sidelines.Being able to analyze your opponent in a similar matter athletes do in film sessions and what the crowed can do brings much needed parity to reward the brightest and most analytical minds of any sport.
This is especially important for defense players and the most exciting aspects of offense for any sport.
Especially in college to maximize opportunities for emerging athletes competing amongst themselves to play and have the right opportunities to play.