It's like their Fairness Doctrine in the media. They have to censor.
Before you read the “Outside The Lines” report, consider this:
Taping the opposing team’s sideline still isn’t banned; only taping the opposing team from the sideline is illegal.
Also remember this:
Taping the opposing team from the sideline wasn’t banned until 2006, yet the report cites examples as far back as 2000. ~NESN